| Text | Length |
| I.C.C. issuance: Abbr. | 22 |
| I.C.U. conduits | 15 |
| I.C.U. figure | 13 |
| I.C.U. helpers | 14 |
| I.C.U. hookups | 14 |
| I.C.U. items | 12 |
| I.C.U. locale | 13 |
| I.C.U. personnel | 16 |
| I.C.U. pros | 11 |
| I.C.U. staff | 12 |
| I.C.U. test | 11 |
| I.C.U. worker | 13 |
| I.D. | 4 |
| I.D. datum | 10 |
| I.D.'s for animals | 22 |
| i.e. | 4 |
| I.e. words | 10 |
| i.e., e.g. | 10 |
| i.e., for long | 14 |
| I.e., i.e. | 10 |
| I.e., in full | 13 |
| I.E.? | 5 |
| I.L.A. group | 12 |
| I.L.A. influence? | 17 |
| I.L.A. man | 10 |
| I.L.A. member | 13 |
| I.L.A. men | 10 |
| I.L.G.W.U. member | 17 |
| I.M. not sent through AOL? | 26 |
| I.M. Pei's "I" | 28 |
| I.M. Pei's alma mater | 25 |
| I.M. Pei, notably | 17 |
| I.M. provider | 13 |
| I.M. snicker | 12 |
| I.M. the architect | 18 |
| I.M. with family members in China? | 34 |
| I.M. with plans | 15 |
| I.M.'s family members | 25 |
| I.M.___, architect | 18 |
| I.O.C. member | 13 |
| I.O.U. | 6 |
| I.o.u. cause | 12 |
| I.o.u. giver | 12 |
| I.O.U. matter | 13 |
| I.O.U. recipient | 16 |
| I.O.U. with a deadline | 22 |
| I.O.U.'s | 12 |
| I.O.U.'s of a kind | 22 |
| I.O.U.'s of a sort | 22 |
| I.O.U.'s, etc. | 18 |
| I.o.u., e.g. | 12 |
| I.O.U., for one | 15 |
| I.P., e.g. | 10 |
| I.Q. man | 8 |
| I.Q. or Binet-Simon | 19 |
| I.Q. organization | 17 |
| I.Q. recordholder Marilyn ___ Savant | 36 |
| I.Q. test developer | 19 |
| I.Q. test name | 14 |
| I.Q. test originator | 20 |
| I.Q. test pioneer | 17 |
| I.Q. tester | 11 |
| I.Q. tester Alfred | 18 |
| I.Q., e.g. | 10 |
| I.Q.-test name | 14 |
| I.R.A. calculation | 18 |
| I.R.A. increaser | 16 |
| I.R.A. increaser: Abbr. | 23 |
| I.R.A. investments | 18 |
| I.R.A. option | 13 |
| I.R.A. options | 14 |
| I.R.A. part: Abbr. | 18 |
| I.R.A. renewal | 14 |
| I.R.S. | 6 |
| I.R.S. "benefactions" | 31 |
| I.R.S. 1040 line item | 21 |
| I.R.S. action | 13 |
| I.R.S. activity | 15 |
| I.R.S. agent | 12 |
| I.R.S. agent's task | 23 |
| I.R.S. agent, e.g. | 18 |
| I.R.S. agent, e.g., informally | 30 |
| I.R.S. agent: Abbr. | 19 |
| I.R.S. agents | 13 |
| I.R.S. business levy: Abbr. | 27 |
| I.R.S. category | 15 |
| I.R.S. challenger | 17 |
| I.R.S. charge, perhaps: Abbr. | 29 |
| I.R.S. collection time | 22 |
| I.R.S. concern | 14 |
| I.R.S. concern: Abbr. | 21 |
| I.R.S. data: Abbr. | 18 |
| I.R.S. deadline mo. | 19 |
| I.R.S. employee | 15 |
| I.R.S. employee or adversary | 28 |
| I.R.S. employee: Abbr. | 22 |
| I.R.S. employees | 16 |
| I.R.S. employees: Abbr. | 23 |
| I.R.S. exam: Abbr. | 18 |
| I.R.S. experts | 14 |
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