-er -ey c-- ccc cce cch cck ccr ccs ccu ce- cec cee ceh cek cer ces ceu cey ch- chc che chh chk chr chs chu chy ckc ckh cks cky crc cre crh crk crr crs cru cry csc cse csh csk csr css csu csy cuc cue cuh cuk cur cus cuu cuy cyc cye cyk cyr cys ec- ecc ece ech eck ecr ecs ecu eec eee eek eer ees eey ehc ehe ehh ehr ehs ehu ekc eke ekh ekr eks eku eky erc ere erh erk err ers eru ery es- esc ese esh esk esr ess esu esy eu- euc eue eur eus eyc eye eyr eys hcc hce hch hck hcr hcs hcy he- hec hee heh hek her hes heu hey hhc hhe hhh hhk hhr hhs hhu hhy hkh hkk hkr hks hku hr- hrc hre hrh hrk hrr hrs hru hsc hse hsh hsk hsr hss hsu hsy huc hue huh huk hur hus huu huy hy- hyc hye hyh hyr hys hyy kcc kce kch kck kcr kcs kcu ke- kec kee keh kek ker kes key khe khh khk khr khs khu kkc kke kkh kkk kkr kks kku kky krc krk krr krs kru kry ksc kse ksh ksk ksr kss ksu kuc kue kuh kuk kur kus kuu kuy kyc kye kyr kys kyu rcc rce rch rcr rcs rcu re- rec ree reh rek rer res reu rey rh- rhc rhe rhh rhr rhs rhu rkc rke rkk rks rku rky rrc rrh rrk rrr rrs rru rsc rse rsh rsk rsr rss rsu ruc rue ruh ruk rur rus ruu ruy ry- ryc rye ryk ryr rys ryu ryy scc sce sch sck scr scs scu se- sec see seh sek ser ses seu sey sh- shc she shh shk shr shs shu shy sk- skc ske skh skk skr sks sku sky sr- src sre srh srk srr srs sry ss- ssc sse ssh ssk ssr sss ssu suc sue suh suk sur sus suu suy sy- syc sye syh syk syr sys syu ucc uce uch uck ucr ucs ucu uec uee ueh uer ues uey uhc uhe uhh uhr uhs uhu uhy ukc uke ukk ukr uku ur- urc ure urk urr urs uru ury usc use ush usk usr uss usu uuc uue uur uus uuu uyc uys uyu ycc yce ych ycs ycu ycy yec yee yeh yek yer yes yey yhc yhe yhs yhu ykk yrc yre yrs yru ysc yse ysk ysr yss ysu ysy yue yuh yuk yur yus yuu yuy yyc yye yys yyu yyy