boj[7], job[7], cob[6], bod[6], jod[6], cod[5], doc[5], bon[5], jon[5], noc[4], dno[4], don[4], soc[4], nos[3], son[3],
bo[4], oj[4], co[3], do[3], od[3], no[2], on[2], os[2],
