Letters that make self-supporting
s, o, e, f, g, l, n, p, r, t, i, u are letters that make 'self-supporting'
Words within self-supporting
el, OR, LF, ti, ting, sup, PO, ELF, ng, SE, EL, support, up, port, self, in, supporting, tin, IN, Po, elf, In, Se, Ti are words within 'self-supporting'