"I need a three-letter word,
I only know the 1st letter is 'a'"
-- use
a.. to get axe, add ...
"I need a three-letter word,
I know the 1st letter is 'a',
the 2nd and 3rd place are the same."
-- use
a11 to get add, ann ...
"I need a three-letter word,
I know the 1st letter is 'a',
the 2nd and 3rd place are definitely different."
-- use
a12 to get axe, amp ...
"I need a word,
I want it is ended with 'ing'."
-- use
-ing to get king, sing ...
"I need a word,
It is started with 'k',
and ended with 'ing'."
-- use
k-ing to get king, kiting ...
"I am playing scrabble,
I have these letters 'k', 'c', 'o', 'l', 'e', 't'."
-- use
(kcolet) to get locket, lock ...
"I am playing scrabble,
I have these letters 'k', 'c', 'o', 'l', 'e', 't'
and it must contain 'k', 'c', 'o'"
-- use
(kco:let) to get locket, lock ...
"I need a word,
It can be started with 'a', 'b', 'c' and ended with 'e'."
-- use
[abc]-e to get acing, boring ...
"I need a word,
It can be formed by 'a', 'b', 'c'."
-- use
[abc]+ to get cab, baba ...
"I need a word,
It can be formed by 'a', 'b', 'c', 'd', 'e', 'f',
and I know the 1st letter is c."
-- use
c[abcdef]+ to get cab, cafe ...
Try 'AABB', '一.一.', '1123' to search 成语.
Try 'AABB', 'ああ-', '1123' to search 日本語.