-er -ey a-a a-c aaa aac aae aah aar aay ac- aca acc ace ach acr acy aea aec aee aeh aer aey aha ahc ahe ahh ahr ahy ar- ara arc are arh arr ary ay- aya ayc aye ayh ayr c-- caa cac cae cah car cay cca ccc cce cch ccr ce- cea cec cee ceh cer cey ch- cha chc che chh chr chy cra crc cre crh crr cry cya cyc cye cyr eaa eac eae eah ear ec- eca ecc ece ech ecr eea eec eee eer eey eha ehc ehe ehh ehr era erc ere erh err ery eya eyc eye eyr haa hac hae hah har hay hca hcc hce hch hcr hcy he- hea hec hee heh her hey hha hhc hhe hhh hhr hhy hr- hra hrc hre hrh hrr hy- hya hyc hye hyh hyr hyy ra- raa rac rae rah rar ray rca rcc rce rch rcr re- rea rec ree reh rer rey rh- rha rhc rhe rhh rhr rra rrc rrh rrr ry- rya ryc rye ryr ryy yaa yac yae yah yar yay yca ycc yce ych ycy yea yec yee yeh yer yey yha yhc yhe yra yrc yre yyc yye yyy