| оооооооо, абвгдежз, abcdefg | word contains letters in any order |
| [супер | word starts with substring |
| ость] | word ends with substring |
| [ст*л] | word start and ends with specified substrings |
| [ст?л] | word start and ends with specified substrings and contains any letter in the middle |
| [кот] | word contains specified letters in any order |