wozu[9], webs[8], zebu[8], beos[7], obus[7], uzes[6],
wob[8], zwo[8], web[7], beo[6], bus[5], wes[5], uze[5], sou[4], uso[4],
ob[5], wo[5], uz[4], zu[4], os[3], so[3], es[2],
