-er -ey -ic c-- ccc cce cch cci cco ccr ccs ce- cec cee ceh cei ceo cer ces cey ch- chc che chh chi cho chr chs chy ci- cic cie cih cii cio cir cis co- coc coe coh coi coo cor cos coy crc cre crh cri cro crr crs cry csc cse csh csi cso csr css csy cyc cye cyo cyr cys ec- ecc ece ech eci eco ecr ecs eec eee eeo eer ees eey ehc ehe ehh ehi eho ehr ehs eic eie eii eio eir eis eo- eoc eoe eoh eoi eoo eor eos erc ere erh eri ero err ers ery es- esc ese esh esi eso esr ess esy eyc eye eyo eyr eys h-i hcc hce hch hci hco hcr hcs hcy he- hec hee heh hei heo her hes hey hhc hhe hhh hhi hho hhr hhs hhy hic hie hih hii hio hir his hoc hoe hoh hoi hoo hor hos hoy hr- hrc hre hrh hri hro hrr hrs hsc hse hsh hsi hsr hss hsy hy- hyc hye hyh hyi hyo hyr hys hyy icc ice ich ici ico icr ics icy ie- iec iee iei ier ies iey ihc ihe ihh ihi iho ihr ihs ihy iic iie iih iii iio iir iis io- ioc ioe ioh ioi ioo ior ios ir- irc ire iri iro irr irs iry is- isc ise ish isi iso isr iss isy iyc iye iyo iyr iys iyy o-i oc- occ och oci oco ocr ocs oec oee oeh oei oeo oer oes oey ohc ohe ohh ohi oho ohr ohs oic oie oii oio oir ois oo- ooc ooh ooi ooo oor oos or- orc ore orh ori oro orr ors ory os- osc ose osh osi oso osr oss oye oyi oyo oys rcc rce rch rci rco rcr rcs re- rec ree reh rei reo rer res rey rh- rhc rhe rhh rhi rho rhr rhs ric rie rih rii rio rir ris riy roc roe roh roi roo ror ros roy rrc rrh rri rrr rrs rsc rse rsh rsi rso rsr rss ry- ryc rye ryo ryr rys ryy scc sce sch sci sco scr scs se- sec see seh sei seo ser ses sey sh- shc she shh shi sho shr shs shy sic sie sih sii sio sir sis soc soe soh soi soo sor sos soy sr- src sre srh sri sro srr srs sry ss- ssc sse ssh ssi sso ssr sss sy- syc sye syh syi syr sys ycc yce ych yci yco ycs ycy yec yee yeh yei yeo yer yes yey yhc yhe yhi yhs yie yih yii yio yir yis yoc yoe yoi yoo yor yos yoy yrc yre yro yrs ysc yse ysi yso ysr yss ysy yyc yye yys yyy