Letters that make self-acting
s, a, e, f, g, l, n, c, t, i are letters that make 'self-acting'
Words within self-acting
el, LF, act, ti, ting, AC, ELF, ng, SE, EL, self, in, acting, CT, tin, IN, elf, Ac, In, Se, Ti, actin are words within 'self-acting'