-er -ey c-- ccc cce cck ccr ccs cct ccu ccz ce- cec cee cek cer ces cet ceu cey cez ckc cks ckt cky crc cre crk crr crs crt cru cry crz csc cse csk csr css cst csu csy csz ctc cte ctk ctr cts ctt ctu cty ctz cuc cue cuk cur cus cut cuu cuy cuz cyc cye cyk cyr cys cyt cz- czc cze czk czt ec- ecc ece eck ecr ecs ect ecu eec eee eek eer ees eet eey ekc eke ekr eks ekt eku eky erc ere erk err ers ert eru ery erz es- esc ese esk esr ess est esu esy etc ete etk etr ets ett etu ety etz eu- euc eue eur eus eut eyc eye eyr eys eyt eze ezr ezs ezz k-t k-z kcc kce kck kcr kcs kct kcu ke- kec kee kek ker kes ket key kez kkc kke kkk kkr kks kkt kku kky krc krk krr krs krt kru kry ksc kse ksk ksr kss kst ksu ktc kte ktk ktr kts ktt ktu kuc kue kuk kur kus kut kuu kuy kyc kye kyr kys kyt kyu kyz kzy rcc rce rcr rcs rct rcu re- rec ree rek rer res ret reu rey rez rkc rke rkk rks rkt rku rky rkz rrc rrk rrr rrs rrt rru rsc rse rsk rsr rss rst rsu rtc rte rtk rtr rts rtt rtu rty rtz ruc rue ruk rur rus rut ruu ruy ruz ry- ryc rye ryk ryr rys ryu ryy ryz rze rzy scc sce sck scr scs sct scu se- sec see sek ser ses set seu sey sez sk- skc ske skk skr sks skt sku sky sr- src sre srk srr srs srt sry ss- ssc sse ssk ssr sss sst ssu ssz stc ste stk str sts stt stu sty stz suc sue suk sur sus sut suu suy suz sy- syc sye syk syr sys syt syu sze szr szu tcc tce tck tcr tcs tct tcu te- tec tee tek ter tes tet teu tey tez tkc tke tkk tkr tks tkt tky tkz trc tre trk trr trs trt tru try trz tsc tse tsk tsr tss tst tsu tsy ttc tte ttk ttr tts ttt ttu tty tuc tue tuk tur tus tut tuu tuy tuz tyc tye tyr tys tyt tze tzs tzu ucc uce uck ucr ucs uct ucu uec uee uer ues uet uey ukc uke ukk ukr uku ukz ur- urc ure urk urr urs urt uru ury urz usc use usk usr uss ust usu usz utc ute utk utr uts utt utu uty utz uuc uue uur uus uut uuu uyc uys uyu uzu ycc yce ycs ycu ycy yec yee yek yer yes yet yey yez ykk yrc yre yrs yrt yru ysc yse ysk ysr yss yst ysu ysy ysz ytc yte ytk ytr yts ytt ytu yue yuk yur yus yut yuu yuy yyc yye yys yyt yyu yyy yyz yzr yzu yzy zce zcs zec zee zek zer zes zet zez zks zrs zse zst zsu zsz zte ztr zuc zuk zur zus zut zuz zzr zzs zzt zzy zzz