peer[7], reep[7], pure[7], gere[5], rege[5], guru[5], euer[4], eure[4], reue[4],
per[6], rep[6], pur[6], erg[4], ger[4], reg[4], gur[4], ree[3], reu[3], ure[3],
er[2], re[2], ur[2],
