luro[7], losu[7], olsu[7], solu[7], soul[7], suro[6],
lur[6], oru[5], sou[5], rus[5], sur[5], lor[4], rol[4], los[4], ols[4], sol[4], ros[3],
lu[5], ul[5], su[4], or[2], ro[2], os[2],
