-er -ey c-- ccc cce cch cck ccr ccs ce- cec cee ceh cek cer ces cey ch- chc che chh chk chr chs chy ckc ckh cks cky crc cre crh crk crr crs cry csc cse csh csk csr css csy cyc cye cyk cyr cys ec- ecc ece ech eck ecr ecs eec eee eek eer ees eey ehc ehe ehh ehr ehs ekc eke ekh ekr eks eky erc ere erh erk err ers ery es- esc ese esh esk esr ess esy eyc eye eyr eys hcc hce hch hck hcr hcs hcy he- hec hee heh hek her hes hey hhc hhe hhh hhk hhr hhs hhy hkh hkk hkr hks hr- hrc hre hrh hrk hrr hrs hsc hse hsh hsk hsr hss hsy hy- hyc hye hyh hyr hys hyy kcc kce kch kck kcr kcs ke- kec kee keh kek ker kes key khe khh khk khr khs kkc kke kkh kkk kkr kks kky krc krk krr krs kry ksc kse ksh ksk ksr kss kyc kye kyr kys rcc rce rch rcr rcs re- rec ree reh rek rer res rey rh- rhc rhe rhh rhr rhs rkc rke rkk rks rky rrc rrh rrk rrr rrs rsc rse rsh rsk rsr rss ry- ryc rye ryk ryr rys ryy scc sce sch sck scr scs se- sec see seh sek ser ses sey sh- shc she shh shk shr shs shy sk- skc ske skh skk skr sks sky sr- src sre srh srk srr srs sry ss- ssc sse ssh ssk ssr sss sy- syc sye syh syk syr sys ycc yce ych ycs ycy yec yee yeh yek yer yes yey yhc yhe yhs ykk yrc yre yrs ysc yse ysk ysr yss ysy yyc yye yys yyy