| Prefijo conocido del artículo | Número de artículos | Prefijo conocido del artículo | Número de artículos |
| 3 | 1 | 3 " | 2 |
| 3 & | 1 | 3 ' | 4 |
| 3 ( | 19 | 3 + | 1 |
| 3 A | 9 | 3 B | 3 |
| 3 C | 4 | 3 D | 1 |
| 3 E | 3 | 3 F | 1 |
| 3 H | 1 | 3 J | 1 |
| 3 L | 2 | 3 M | 5 |
| 3 N | 6 | 3 P | 1 |
| 3 S | 1 | 3 T | 1 |
| 3 V | 1 | 3 a | 4 |
| 3 b | 1 | 3 c | 6 |
| 3 d | 71 | 3 e | 4 |
| 3 f | 2 | 3 g | 5 |
| 3 h | 4 | 3 i | 1 |
| 3 j | 1 | 3 l | 4 |
| 3 m | 13 | 3 n | 2 |
| 3 o | 1 | 3 p | 15 |
| 3 r | 7 | 3 s | 2 |
| 3 x | 1 | 3 y | 1 |
| 3 É | 3 | 3 á | 3 |
| 3+ | 1 | 3+1 | 1 |
| 3+S | 1 | 3,4 | 4 |
| 3-1 | 2 | 3-2 | 2 |
| 3-5 | 1 | 3-7 | 1 |
| 3-A | 2 | 3-D | 2 |
| 3-E | 1 | 3-H | 3 |
| 3-I | 1 | 3-L | 1 |
| 3-M | 10 | 3-N | 2 |
| 3-P | 2 | 3-T | 1 |
| 3-W | 2 | 3-m | 1 |
| 3. | 4 | 3.. | 1 |
| 3.0 | 1 | 3.1 | 2 |
| 3.2 | 1 | 3.3 | 4 |
| 3.4 | 3 | 3.6 | 1 |
| 3.7 | 3 | 3.9 | 1 |
| 3.S | 1 | 3/1 | 1 |
| 3/2 | 1 | 3/3 | 1 |
| 3/4 | 2 | 3/5 | 1 |
| 3/8 | 2 | 30 | 1 |
| 30 | 109 | 30- | 2 |
| 30. | 3 | 30/ | 1 |
| 300 | 62 | 301 | 23 |
| 302 | 19 | 303 | 24 |
| 304 | 29 | 305 | 26 |
| 306 | 21 | 307 | 36 |
| 308 | 32 | 309 | 29 |
| 30G | 1 | 30P | 1 |
| 30S | 1 | 30s | 4 |
| 30° | 1 | 31 | 2 |
| 31 | 50 | 310 | 38 |
| 311 | 34 | 312 | 30 |
| 313 | 26 | 314 | 25 |
| 315 | 19 | 316 | 26 |
| 317 | 22 | 318 | 23 |
| 319 | 26 | 31K | 1 |
| 31P | 1 | 31r | 54 |
| 32 | 2 | 32 | 20 |
| 32- | 2 | 320 | 31 |
| 321 | 28 | 322 | 25 |
| 323 | 20 | 324 | 20 |
| 325 | 23 | 326 | 22 |
| 327 | 25 | 328 | 29 |
| 329 | 24 | 32P | 1 |
| 32R | 1 | 32V | 1 |
| 32d | 50 | 33 | 2 |
| 33 | 20 | 33/ | 1 |
| 330 | 33 | 331 | 22 |
| 332 | 18 | 333 | 23 |
| 334 | 25 | 335 | 29 |
| 336 | 22 | 337 | 26 |
| 338 | 22 | 339 | 21 |
| 33M | 1 | 33P | 1 |
| 33r | 59 | 33⅓ | 1 |
| 34 | 2 | 34 | 13 |
| 34. | 1 | 340 | 25 |
| 341 | 22 | 342 | 20 |
| 343 | 24 | 344 | 21 |
| 345 | 22 | 346 | 21 |
| 347 | 26 | 348 | 18 |
| 349 | 22 | 34D | 1 |
| 34t | 51 | 35 | 2 |
| 35 | 27 | 35- | 1 |
| 35/ | 1 | 350 | 30 |
| 351 | 24 | 352 | 24 |
| 353 | 26 | 354 | 26 |
| 355 | 23 | 356 | 21 |
| 357 | 22 | 358 | 19 |
| 359 | 24 | 35E | 3 |
| 35P | 1 | 35T | 1 |
| 35W | 3 | 35m | 1 |
| 35t | 48 | 36 | 2 |
| 36 | 32 | 36- | 2 |
| 36. | 48 | 360 | 35 |
| 361 | 21 | 362 | 22 |
| 363 | 20 | 364 | 20 |
| 365 | 26 | 366 | 24 |
| 367 | 17 | 368 | 18 |
| 369 | 21 | 36D | 1 |
| 36P | 1 | 37 | 1 |
| 37 | 18 | 37. | 42 |
| 370 | 30 | 371 | 24 |
| 372 | 18 | 373 | 19 |
| 374 | 18 | 375 | 27 |
| 376 | 27 | 377 | 20 |
| 378 | 18 | 379 | 19 |
| 37P | 1 | 37s | 1 |
| 38 | 2 | 38 | 24 |
| 38. | 42 | 380 | 41 |
| 381 | 18 | 382 | 24 |
| 383 | 23 | 384 | 23 |
| 385 | 23 | 386 | 25 |
| 387 | 19 | 388 | 21 |
| 389 | 23 | 39 | 2 |
| 39 | 25 | 39. | 50 |
| 39/ | 1 | 390 | 27 |
| 391 | 21 | 392 | 18 |
| 393 | 21 | 394 | 28 |
| 395 | 28 | 396 | 23 |
| 397 | 24 | 398 | 23 |
| 399 | 20 | 39P | 1 |
| 3AB | 2 | 3AP | 1 |
| 3B | 1 | 3B | 1 |
| 3B1 | 1 | 3BA | 1 |
| 3BP | 1 | 3C | 1 |
| 3C | 14 | 3C- | 3 |
| 3C2 | 1 | 3C5 | 1 |
| 3CR | 1 | 3Co | 2 |
| 3D | 1 | 3D | 23 |
| 3D& | 1 | 3D- | 1 |
| 3D. | 1 | 3D/ | 1 |
| 3DA | 1 | 3DB | 1 |
| 3DD | 1 | 3DL | 1 |
| 3DM | 3 | 3DO | 2 |
| 3DS | 1 | 3DV | 1 |
| 3DX | 1 | 3Dc | 2 |
| 3De | 2 | 3Dl | 2 |
| 3Ds | 1 | 3F8 | 1 |
| 3FM | 1 | 3G | 1 |
| 3G | 1 | 3GG | 1 |
| 3GL | 1 | 3GP | 3 |
| 3HO | 1 | 3K | 1 |
| 3LA | 1 | 3LK | 1 |
| 3LW | 2 | 3Li | 1 |
| 3M | 1 | 3M- | 1 |
| 3M1 | 1 | 3M6 | 1 |
| 3MG | 1 | 3MP | 1 |
| 3MT | 1 | 3Mc | 1 |
| 3NE | 1 | 3NT | 2 |
| 3PA | 2 | 3PR | 1 |
| 3RP | 3 | 3Ro | 1 |
| 3S' | 1 | 3SH | 1 |
| 3SL | 2 | 3SP | 1 |
| 3SR | 1 | 3SU | 1 |
| 3Se | 1 | 3St | 1 |
| 3T | 1 | 3T | 2 |
| 3T3 | 1 | 3TR | 2 |
| 3U | 1 | 3V | 1 |
| 3V | 1 | 3VO | 1 |
| 3W | 1 | 3WM | 1 |
| 3Wa | 2 | 3X | 1 |
| 3Xt | 1 | 3al | 7 |
| 3be | 1 | 3ch | 1 |
| 3df | 3 | 3dm | 1 |
| 3ds | 1 | 3dv | 1 |
| 3en | 1 | 3fo | 1 |
| 3i | 1 | 3iv | 1 |
| 3kS | 1 | 3ni | 1 |
| 3os | 1 | 3pc | 1 |
| 3pm | 1 | 3re | 1 |
| 3ro | 369 | 3sa | 1 |
| 3so | 1 | 3wP | 1 |
| 3wa | 1 | 3x3 | 1 |
| 3×3 | 1 | 3β- | 1 |