solo[7], soor[6], sols[6], soso[6], soul[6], ross[5], sous[5], usos[5], surr[4], russ[4],
los[5], sol[5], lus[4], sou[4], uso[4], rus[3], sur[3], urs[3],
os[3], so[3], ul[3], ur[2],
