| Iota's predecessor | 22 |
| Iotas | 5 |
| IOU | 3 |
| IOU for example | 16 |
| IOU component | 13 |
| IOU for twenty-five cents? | 26 |
| IOU of sorts | 12 |
| IOU signer | 10 |
| IOU slips | 9 |
| IOU subject | 11 |
| IOU verb | 8 |
| IOU writer | 10 |
| IOU's | 9 |
| IOU, e.g. | 9 |
| IOU? | 4 |
| IOUs | 4 |
| Iowa | 4 |
| Iowa and Indiana are in it | 26 |
| Iowa and Missouri | 17 |
| Iowa campus | 11 |
| Iowa campus site | 16 |
| Iowa campus town | 16 |
| Iowa capital | 12 |
| Iowa Catholic college | 21 |
| Iowa chief | 10 |
| Iowa church society | 19 |
| Iowa city | 9 |
| Iowa city named for a Sauk chief | 32 |
| Iowa city near Oskaloosa | 24 |
| Iowa city on I-35 | 17 |
| Iowa city on the Skunk River | 28 |
| Iowa city or county seat: Abbr. | 31 |
| Iowa City squad | 15 |
| Iowa city where Grant Wood's "American Gothic" house is located | 77 |
| Iowa city with a GOP straw poll | 31 |
| Iowa city, once called College Farm | 35 |
| Iowa coal center | 16 |
| Iowa college | 12 |
| Iowa college city | 17 |
| Iowa college football team? | 27 |
| Iowa college founded in 1851 | 28 |
| Iowa college since 1851 | 23 |
| Iowa college town | 17 |
| Iowa commune | 12 |
| Iowa community | 14 |
| Iowa cooperative | 16 |
| Iowa county named for an Indian tribe | 37 |
| Iowa crop | 9 |
| Iowa farm item | 14 |
| Iowa farmer's get-up? | 25 |
| Iowa governor Culver | 20 |
| Iowa group | 10 |
| Iowa harvest unit | 17 |
| Iowa home of the Cyclones | 25 |
| Iowa hours | 10 |
| Iowa hrs. | 9 |
| Iowa Indian | 11 |
| Iowa Indians | 12 |
| Iowa kin | 8 |
| Iowa leader | 11 |
| Iowa native | 11 |
| Iowa or Creek, e.g. | 19 |
| Iowa or Indiana | 15 |
| Iowa or Nebraska? | 17 |
| Iowa or Ohio | 12 |
| Iowa or Ohio, to the French | 27 |
| Iowa product | 12 |
| Iowa relative | 13 |
| Iowa relatives | 14 |
| Iowa religious commune | 22 |
| Iowa religious sect | 19 |
| Iowa river with a rapids | 24 |
| Iowa river with rapids | 22 |
| Iowa school | 11 |
| Iowa Senator | 12 |
| Iowa senator since 1985 | 23 |
| Iowa setting for the League of Sofa Manufacturers convention? | 61 |
| Iowa site known for its bridges | 31 |
| Iowa State city | 15 |
| Iowa State home | 15 |
| Iowa State is here | 18 |
| Iowa State locale | 17 |
| Iowa State or Texas A&M | 27 |
| Iowa State setting | 18 |
| Iowa State site | 15 |
| Iowa State team | 15 |
| Iowa State U. | 13 |
| Iowa State U. site | 18 |
| Iowa State Univ. locale | 23 |
| Iowa State University city | 26 |
| Iowa State University home | 26 |
| Iowa State University site | 26 |
| Iowa State UniversityÂ’s home | 32 |
| Iowa State's city | 21 |
| Iowa State's home | 21 |
| Iowa State's locale | 23 |
| Iowa State's place | 22 |
| Iowa State's setting | 24 |
| Iowa State's site | 21 |
| Iowa State's there | 22 |