Letters that make possessive case
s, a, o, e, p, c, i, v are letters that make 'possessive case'
Words within possessive case
sess, os, OS, si, PO, posse, SE, SSE, possess, SI, SS, possessive, iv, as, IV, case, AS, CA, Po, As, Ca, Es, Os, Se, Si are words within 'possessive case'