-er -ey c-- ccc ccd cce cck ccr ccu ccz cdc cdd cde cdk cdr cdu cdy cdz ce- cec ced cee cek cer ceu cey cez ckc ckd cky crc crd cre crk crr cru cry crz cuc cud cue cuk cur cuu cuy cuz cyc cyd cye cyk cyr cz- czc czd cze czk dcc dcd dce dck dcr dcu ddc ddd dde ddk ddr ddu ddy ddz de- dec ded dee dek der deu dey dez dkc dke dkk dkr dku drc drd dre drk drr dru dry drz duc dud due duk dur duy duz dy- dyc dyd dye dyk dyr dyu dyy dzd dze dzr dzu ec- ecc ecd ece eck ecr ecu ed- edc edd ede edk edr edu edy eec eed eee eek eer eey ekc ekd eke ekr eku eky erc erd ere erk err eru ery erz eu- euc eud eue eur eyc eyd eye eyr eze ezr ezz k-z kcc kcd kce kck kcr kcu kdc kde kdk kdr kdu kdy ke- kec ked kee kek ker key kez kkc kke kkk kkr kku kky krc krd krk krr kru kry kuc kud kue kuk kur kuu kuy kyc kyd kye kyr kyu kyz kzy rcc rcd rce rcr rcu rdc rdd rde rdr rdu rdy re- rec red ree rek rer reu rey rez rkc rke rkk rku rky rkz rrc rrd rrk rrr rru ruc rud rue ruk rur ruu ruy ruz ry- ryc ryd rye ryk ryr ryu ryy ryz rze rzy ucc ucd uce uck ucr ucu udc udd ude udk udr udu uec ued uee uer uey ukc uke ukk ukr uku ukz ur- urc urd ure urk urr uru ury urz uuc uue uur uuu uyc uyu uzu ycc ycd yce ycu ycy yde ydy yec yed yee yek yer yey yez ykk yrc yre yru yud yue yuk yur yuu yuy yyc yye yyu yyy yyz yzr yzu yzy zce zec zed zee zek zer zez zuc zud zuk zur zuz zzr zzy zzz