-er -ey a-a a-c aaa aac aae aah aak aar aay ac- aca acc ace ach ack acr acy aea aec aee aeh aek aer aey aha ahc ahe ahh ahk ahr ahy aka akc ake akh akk akr ar- ara arc are arh ark arr ary ay- aya ayc aye ayh ayk ayr c-- caa cac cae cah cak car cay cca ccc cce cch cck ccr ce- cea cec cee ceh cek cer cey ch- cha chc che chh chk chr chy cka ckc ckh cky cra crc cre crh crk crr cry cya cyc cye cyk cyr eaa eac eae eah eak ear ec- eca ecc ece ech eck ecr eea eec eee eek eer eey eha ehc ehe ehh ehr eka ekc eke ekh ekr eky era erc ere erh erk err ery eya eyc eye eyr haa hac hae hah hak har hay hca hcc hce hch hck hcr hcy he- hea hec hee heh hek her hey hha hhc hhe hhh hhk hhr hhy hka hkh hkk hkr hr- hra hrc hre hrh hrk hrr hy- hya hyc hye hyh hyr hyy ka- kaa kac kae kah kak kar kay kca kcc kce kch kck kcr ke- kea kec kee keh kek ker key kha khe khh khk khr kkc kke kkh kkk kkr kky kra krc krk krr kry kya kyc kye kyr ra- raa rac rae rah rak rar ray rca rcc rce rch rcr re- rea rec ree reh rek rer rey rh- rha rhc rhe rhh rhr rkc rke rkk rky rra rrc rrh rrk rrr ry- rya ryc rye ryk ryr ryy yaa yac yae yah yak yar yay yca ycc yce ych ycy yea yec yee yeh yek yer yey yha yhc yhe yka ykk yra yrc yre yyc yye yyy