ergu[8], rogu[8], rugo[8], ceru[7], ergo[6], gore[6], oger[6], euro[6], ruro[6], cero[5], orce[5],
cug[8], gur[7], rug[7], ecu[6], cru[6], ego[5], erg[5], gro[5], ogr[5], oru[5], rur[5], cer[4], ero[3],
gu[6], go[4], ce[3], co[3], eo[2], er[2], re[2], or[2], ro[2],
