hohl[8], hehl[7], hohe[7], hole[7], lohe[7], heul[6], heue[5], eule[5],
hol[6], loh[6], ole[5], ehe[4], lee[4], heu[4], leu[4],
ho[4], oh[4], eh[3], he[3], hu[3], uh[3], ul[3],
