resoru[8], resurs[8],
sersu[7], sorus[7], resor[5], serso[5],
euro[6], ruro[6], ruse[6], sure[6], suro[6], sosu[6], sous[6], eros[4], sers[4],
oru[5], rur[5], esu[5], sou[5], rus[5], sur[5], sus[5], ero[3], ser[3], ros[3], sos[3],
su[4], eo[2], er[2], re[2], or[2], ro[2], es[2], se[2], os[2],
