null[6], ruhn[5], hunt[5], hurt[5], ruht[5], turn[4], tunt[4],
hur[4], ruh[4], uhr[4], hut[4], nur[3], run[3], nut[3], tun[3], tut[3],
hu[3], uh[3], ul[3], nu[2], ur[2], tu[2],
