back[12], rack[10], bark[9], dark[7], kard[7], krad[7], darb[6],
cab[8], bak[8], car[6], kar[6], aba[5], bad[5], bar[5], aar[3], ara[3], dar[3], rad[3],
ab[4], aa[2], ad[2], da[2], ar[2],
