Letters sometimes dissapearing

[lokal]

When i'm using some binds for example
^f::
Send, {t} example {Enter}
return

than sometimes output looks

like this: "example"
or this "xample"
or even this "ample"

such situation appears only in games why?

[gregster]

Games do all kind of things that require special treatment.

But if you want to use text mode, which could make sense, you should use {text}, not {t}.
(Then {enter} should be on a separate send line without text mode.)

[mikeyww]

May also help: https://autohotkey.com/board/topic/111737-how-to-make-ahk-work-in-most-games-the-basics/.