auror[7],
auro[6], rura[6], ruro[6], arco[5], raco[5], coro[5],
cru[6], aur[5], oru[5], rur[5], car[4], rac[4], aro[3], ora[3], oro[3],
au[4], co[3], ar[2], or[2], ro[2],
