-er -ey a-a a-c aaa aac aae aar aas aay ac- aca acc ace acr acs acy aea aec aee aer aes aey ar- ara arc are arr ars ary as- asa asc ase asr ass asy ay- aya ayc aye ayr ays c-- caa cac cae car cas cay cca ccc cce ccr ccs ce- cea cec cee cer ces cey cra crc cre crr crs cry csa csc cse csr css csy cya cyc cye cyr cys eaa eac eae ear eas ec- eca ecc ece ecr ecs eea eec eee eer ees eey era erc ere err ers ery es- esa esc ese esr ess esy eya eyc eye eyr eys ra- raa rac rae rar ras ray rca rcc rce rcr rcs re- rea rec ree rer res rey rra rrc rrr rrs rsa rsc rse rsr rss ry- rya ryc rye ryr rys ryy saa sac sae sar sas say sca scc sce scr scs se- sea sec see ser ses sey sr- sra src sre srr srs sry ss- ssa ssc sse ssr sss sy- sya syc sye syr sys yaa yac yae yar yas yay yca ycc yce ycs ycy yea yec yee yer yes yey yra yrc yre yrs ysa ysc yse ysr yss ysy yyc yye yys yyy