tref[9], fetw[9], cent[6], cetn[6], cert[6], rent[5], tern[5], tren[5], went[5], wnet[5], nerw[4],
fet[8], tef[8], fen[7], nef[7], ref[7], frr[7], cen[4], cne[4], cer[4], net[4], ten[4], ret[4], ter[4], cew[4], twe[4], wet[4], wte[4], ner[3], ren[3], wen[3], rew[3], wre[3], wrr[3],
ef[6], fe[6], ce[3], et[3], te[3], en[2], er[2], re[2], ew[2], we[2],
