@Nudor said
"Using Hebrew letters as a way of representing words in English. (I am not YET that proficient in Hebrew.) Would one of those "cases" be an individual's Biblical name by chance?"
Obviously if it's a Hebrew name, spell it in Hebrew.
Either P=80 or V=6 would be the values to use for F. I would lean toward the former except in words that came from clear Latin (and Latin-language) derivation where the F value had already taken root in the "6 slot."