Been going through all of the characters for the 214P W! loop.
Guess who wants to break the mold?
:sarah::ein:
:214::P: W! :4::h: :214::P:
In generall your three options for whiffing are :H+P:, any :h:, and :6::H+P:. 29, 30, and 31 frames respectively.
:ayane:
:6::h+p: