buht[7], hubt[7], brut[6], trub[6], butt[6], hurt[5], ruht[5], hutu[5], tutu[4],
buh[6], hub[6], hur[4], ruh[4], uhr[4], hut[4], uhu[4], tut[3],
hu[3], uh[3], ur[2], tu[2],
