refu[10], furo[10], rufo[10], wuef[10], fere[8], free[8], efor[8], euro[6], uowe[6], eruw[6], rowu[6], woru[6], oere[4], ower[4], rewo[4],
ufo[9], fru[9], fur[9], ruf[9], fee[7], efo[7], ref[7], for[7], orf[7], oru[5], ero[3], ewe[3], ewo[3], owe[3], rew[3], wre[3], rwo[3],
fu[8], uf[8], ef[6], fe[6], wu[4], ee[2], eo[2], er[2], re[2], or[2], ro[2], ew[2], we[2],
