-er -ey c-- c-j ccc cce ccj cco ccr ce- cec cee cej ceo cer cey cjc cjr co- coc coe coj coo cor coy crc cre crj cro crr cry cyc cye cyo cyr ec- ecc ece ecj eco ecr eec eee eeo eer eey ejc ejo eo- eoc eoe eoo eor erc ere ero err ery eyc eye eyo eyr jcc jce jco jcr jec jee jej jeo jer jey jjc jjj jjr jjy joc joe joj joo jor joy jrc jro jrr jyj jyr oc- occ ocj oco ocr oec oee oeo oer oey ojc oje ojo ojy oo- ooc ooo oor or- orc ore oro orr ory oye oyo rcc rce rcj rco rcr re- rec ree reo rer rey rjc rjr roc roe roj roo ror roy rrc rrr ry- ryc rye ryo ryr ryy ycc yce yco ycy yec yee yeo yer yey yoc yoe yoj yoo yor yoy yrc yre yro yyc yye yyy