hihi[6], heda[5], haie[5], heia[5], iahe[5], aide[4],
hai[4], iah[4], hei[4], hie[4], ade[3], dia[3], eia[3], die[3], eid[3],
ah[3], ha[3], eh[3], he[3], hi[3], ad[2], da[2], ai[2], ei[2],
