Ctrl+T

? Probably bash: /home/user/.inputrc binds Ctrl+T to transpose-chars.
  Unverified. Your shell configuration may override it.

Route
  1  Remapper      v  none detected
  2  Compositor    -  not inspected
  3  Terminal      -  not inspected
  4  TTY driver    -  not inspected
  5  Input method  -  not inspected
  6  Multiplexer   -  not inspected
  7  bash          ?  transpose-chars                   startup file, unverified

Bound in
  /home/user/.inputrc
  sequence: 0x14

Confidence  startup file: read from /home/user/.inputrc; the running bash may have rebound the key.

To confirm
  eval "$(whykey shell-init bash)"  then run whykey ctrl+t again

More  whykey ctrl+t -v  -  whykey listen
