Revision history of "remove all characters not in second string" (Z14515)
Nam idiongho ke mmana: Adogho ikara ke ufa mkpo, se si diangha yung fig duk or mmana abagha ke isung.
Akamba: (idagha mi) = adiangha ke ufa mkpo, (edem) = adiangha ke akan mkpo, m = etuk ukpugho mkpo.