Letters that make general-purpose
s, a, o, e, g, l, n, p, r, u are letters that make 'general-purpose'
Words within general-purpose
ER, L-P, os, OS, gene, gen, ERA, PO, en, SE, ENE, general, pose, purpose, RA, Ur, AL, NE, Po, Ra, Al, Er, Ge, Ne, Os, Pu, Se, era are words within 'general-purpose'