kuso[7], osku[7], skuo[7], soku[7], suko[7], ukos[7], sosu[6], sous[6], skos[5],
oku[6], suk[6], sou[5], sus[5], kos[4], sok[4], sos[3],
ku[5], su[4], ko[3], ok[3], os[2],
