efiro[9], fiero[9], orfie[9], efowi[9], rewio[5], rowie[5],
efir[8], efor[8], rwie[4], ower[4], rewo[4],
efo[7], ref[7], for[7], orf[7], rei[3], ero[3], roi[3], wie[3], ewo[3], owe[3], iwo[3], owi[3], wio[3], rew[3], wre[3], wir[3], rwo[3],
ef[6], fe[6], fi[6], eo[2], er[2], re[2], or[2], ro[2], ew[2], we[2], iw[2],