erker[8], erreg[6], reger[6], geres[6], reges[6], serge[6],
kees[7], gere[5], rege[5], ergs[5], gers[5],
erg[4], ger[4], reg[4], ges[4], ree[3], see[3], ers[3], res[3],
er[2], re[2], es[2],
