“Amen” (אמן – gematria = 91) – When saying amen one is often “Yotze” (צא – gematria = 91) with the bracha.
חמש backwards spells שמח. When one learns the five books of the Torah he receives happiness in return.
“טבעא, however is one” (Kiddushin 5a – explaining that Kesef Kiddushin can’t effectuate a divorce and marriage because a coin is established through one mint and they all retain likeness, thus voiding it to used for divorce, as the prosecutor cannot also be the defendant).
The “shoresh” of טבעא is טבע (nature). When it comes to money, all of man is made out of one mint with the unending attachment to money.
שלם (complete) = ש”ע (acronym for Shulchan Aruch). One can be deemed complete when he knows all of the Shulchan Aruch, which is the final compilation of Halacha for all of “Torah shebaal peh.”
מחשבה (thought) and שנה (year) both equal 355 (additionally שנה equals 355 days, a possible number of days in the Hebrew calendar). One’s mind should be in constant thought of Torah all year.