PTŠab 9.b:64[2] :לא מתמנעין רבנן דרשין בין הא לחית‏ : the rabbis do not refrain from making interpretations based on the difference between heh and ḥeth
See the entire entry for hē n.f. he, fifth letter

PTŠab 9.b:64[2] :לא מתמנעין רבנן דרשין בין הא לחית‏ : the rabbis do not refrain from interpreting between heh and cheth
See the entire entry for mnˁ vb. to withhold