bell[8], dell[6], nell[6], derb[6], lern[5], nerd[4],
lex[11], rex[10], bel[6], leb[6], erb[5], den[3], end[3], der[3], erd[3], red[3], ern[3], ren[3],
ex[9], ne[2], er[2], re[2],
