buhl[8], buhn[7], buht[7], hubt[7], blut[7], bult[7], glut[6], lugt[6], bunt[6], hunt[5],
bug[6], buh[6], hub[6], lug[5], gnu[4], gut[4], hut[4], nut[3], tun[3],
hu[3], uh[3], ul[3], nu[2], tu[2],
