kruku[11], kurku[11], mruku[11], murku[11],
kuku[10], kuru[9], muru[9], rumu[9], kruk[8], mruk[8],
muu[8], kuk[7], kum[7], kur[6], mru[6], mur[6], rum[6],
uu[6], ku[5], mu[5],
