Letters that make unpatterned
a, d, e, n, p, r, t, u are letters that make 'unpatterned'
Words within unpatterned
pat, ER, PA, te, patter, UN, NP, RN, NPA, at, Pa, ED, TT, patterned, pattern, ern, erne, tern, NE, pa, At, Er, Ne, Np, Rn, Te are words within 'unpatterned'