bube[8], buhe[7], hube[7], muhe[7],
beb[7], ebb[7], bub[7], bum[7], heb[6], hem[6], buh[6], hub[6], muh[6], emu[5], heu[4],
hm[5], um[4], eh[3], he[3], hu[3], uh[3],
