aowca[6], wraca[6],
cara[5], raca[5], arco[5], raco[5], owca[5], wara[4], wora[4],
car[4], rac[4], ara[3], aro[3], ora[3], owa[3], rwa[3], war[3], rwo[3],
co[3], aa[2], ar[2], or[2], ro[2],
