bosse[8], busse[7],
beos[7], boss[7], obus[7], oses[5], sous[5], usos[5], esse[4], sees[4],
beo[6], ces[6], sec[6], bus[5], sou[4], uso[4], see[3], ess[3],
ob[5], os[3], so[3], es[2],
