| Answer | Crossword Clue |
|---|---|
| ISI | "It ..": formal "Who's there?" response |
| ITISI | Formal "Who's there?" response |
| ITISI | Formal response to "Who's there?" |
| ITISI | Formal-sounding response to "Who's there?" |
| ITSI | Formal-informal response to "Who's there?" |
| ISI | "It ..." (formal "Who's there?" reply) |
| ISI | "It ..." (formal answer to "Who's there?") |
| ISI | "It .." ("Who's there?" response) |
| ISI | "It ..." ("Who's there?" response) |
| ISI | 'It --' ('Who's there?' response) |
