Letters that make six-membered
s, b, d, e, m, r, i, x are letters that make 'six-membered'
Words within six-membered
ER, six, member, MB, re, si, em, IX, be, ember, Red, SI, ED, mem, red, membered, ix, Mb, ME, Re, Be, Er, Si are words within 'six-membered'