bob[7], cob[6], bod[6], dog[6], bot[6], tog[6], cod[5], doc[5], bon[5], gon[5], noc[4], dno[4], don[4], not[4], ton[4],
bo[4], go[4], co[3], do[3], od[3], ot[3], to[3], no[2], on[2],
