dratw[7],
dart[6], drwa[5], traw[5], trwa[5], wart[5], watr[5], warw[4],
tac[5], dat[5], car[4], rac[4], dar[4], rad[4], drr[4], rat[4], tar[4], tra[4], dwa[4], wad[4], wda[4], twa[4], wat[4], rwa[3], war[3], wrr[3],
ad[3], da[3], at[3], ta[3], ar[2],
