muffe[13], duffe[11],
muff[12], duff[10], feme[9], fume[9], fege[8], fuge[8], efeu[7], emde[6],
uff[9], feg[7], fug[7], fee[6], dem[5], emd[5], mud[5], emu[5],
um[4], du[2], ud[2],
