-er -ey a-a aaa aae aak aan aap aar aay aea aee aek aen aep aer aey aka ake akk akn akp akr an- ana ane ank ann anp anr any ap- apa ape apk apn app apr apy ar- ara are ark arn arp arr ary ay- aya aye ayk ayn ayp ayr eaa eae eak ean eap ear eea eee eek een eep eer eey eka eke ekp ekr eky en- ena ene enk enn enp enr eny ep- epa epe epn epp epr era ere erk ern erp err ery eya eye eyn eyp eyr ka- kaa kae kak kan kap kar kay ke- kea kee kek ken kep ker key kke kkk kkn kkp kkr kky kn- kna kne knk knn knp knr kpa kpe kpk kpn kpp kpr kra krk krn krp krr kry kya kye kyn kyp kyr naa nae nak nan nap nar nay ne- nea nee nek nen nep ner ney nka nke nkk nkn nkp nkr nky nna nne nnk nnn nnp npa npe npn npp npr nra nre nrk nrn nrp nrr nry nya nye nyk nyn nyp nyy p-p paa pae pak pan pap par pay pea pee pek pen pep per pey pka pke pkn pkp pkr pky pn- pna pne pnk pnn pnp pnr pny ppa ppe ppk ppn ppp ppr pra pre prk prn prp prr pry py- pya pye pyk pyn pyr ra- raa rae rak ran rap rar ray re- rea ree rek ren rep rer rey rke rkk rkp rky rna rnn rnp rnr rny rpa rpe rpk rpn rpp rpr rra rrk rrn rrp rrr ry- rya rye ryk ryn ryr ryy yaa yae yak yan yap yar yay yea yee yek yen yep yer yey yka ykk ykn yna yne ynk ynn ynp yny ypa yra yre yrn yrp yye yyy