-er -ey c-- ccc cce cch cco ccr ccs ccz ce- cec cee ceh ceo cer ces cey cez ch- chc che chh cho chr chs chy chz co- coc coe coh coo cor cos coy coz crc cre crh cro crr crs cry crz csc cse csh cso csr css csy csz cyc cye cyo cyr cys cz- czc cze czo ec- ecc ece ech eco ecr ecs eec eee eeo eer ees eey ehc ehe ehh eho ehr ehs eo- eoc eoe eoh eoo eor eos erc ere erh ero err ers ery erz es- esc ese esh eso esr ess esy eyc eye eyo eyr eys eze ezh ezo ezr ezs ezz hcc hce hch hco hcr hcs hcy he- hec hee heh heo her hes hey hez hhc hhe hhh hho hhr hhs hhy hhz hoc hoe hoh hoo hor hos hoy hr- hrc hre hrh hro hrr hrs hrz hsc hse hsh hsr hss hsy hsz hy- hyc hye hyh hyo hyr hys hyy hze hzo hzs hzy oc- occ och oco ocr ocs ocz oec oee oeh oeo oer oes oey ohc ohe ohh oho ohr ohs oo- ooc ooh ooo oor oos or- orc ore orh oro orr ors ory orz os- osc ose osh oso osr oss oye oyo oys oze ozo ozs ozz rcc rce rch rco rcr rcs re- rec ree reh reo rer res rey rez rh- rhc rhe rhh rho rhr rhs roc roe roh roo ror ros roy roz rrc rrh rrr rrs rsc rse rsh rso rsr rss ry- ryc rye ryo ryr rys ryy ryz rze rzo rzy scc sce sch sco scr scs se- sec see seh seo ser ses sey sez sh- shc she shh sho shr shs shy soc soe soh soo sor sos soy soz sr- src sre srh sro srr srs sry ss- ssc sse ssh sso ssr sss ssz sy- syc sye syh syr sys sze szr ycc yce ych yco ycs ycy yec yee yeh yeo yer yes yey yez yhc yhe yhs yoc yoe yoo yor yos yoy yrc yre yro yrs ysc yse yso ysr yss ysy ysz yyc yye yys yyy yyz yzr yzy zce zco zcs zec zee zeh zeo zer zes zez zhc zhe zho zhr zhs zo- zoc zoe zoo zor zos zrh zro zrs zse zsh zsz zzr zzs zzy zzz