-er -ey c-- ccc ccd cce cch cco ccr ccs cdc cdd cde cdh cdo cdr cds cdy ce- cec ced cee ceh ceo cer ces cey ch- chc chd che chh cho chr chs chy co- coc cod coe coh coo cor cos coy crc crd cre crh cro crr crs cry csc csd cse csh cso csr css csy cyc cyd cye cyo cyr cys dcc dcd dce dco dcr dcs ddc ddd dde ddh ddo ddr dds ddy de- dec ded dee deh deo der des dey dh- dhc dhd dhe dhh dho dhr dhs doc dod doe doh doo dor dos doy drc drd dre dro drr drs dry dsc dsd dse dsh dso dsr dss dsy dy- dyc dyd dye dyo dyr dys dyy ec- ecc ecd ece ech eco ecr ecs ed- edc edd ede edh edo edr eds edy eec eed eee eeo eer ees eey ehc ehd ehe ehh eho ehr ehs eo- eoc eod eoe eoh eoo eor eos erc erd ere erh ero err ers ery es- esc esd ese esh eso esr ess esy eyc eyd eye eyo eyr eys hcc hcd hce hch hco hcr hcs hcy hdc hdd hde hdh hdo hdr hds hdy he- hec hed hee heh heo her hes hey hhc hhd hhe hhh hho hhr hhs hhy hoc hod hoe hoh hoo hor hos hoy hr- hrc hrd hre hrh hro hrr hrs hsc hsd hse hsh hsr hss hsy hy- hyc hyd hye hyh hyo hyr hys hyy oc- occ ocd och oco ocr ocs odc odd ode odh odo odr ods oec oed oee oeh oeo oer oes oey ohc ohd ohe ohh oho ohr ohs oo- ooc ood ooh ooo oor oos or- orc ord ore orh oro orr ors ory os- osc osd ose osh oso osr oss oyd oye oyo oys rcc rcd rce rch rco rcr rcs rdc rdd rde rdh rdo rdr rds rdy re- rec red ree reh reo rer res rey rh- rhc rhd rhe rhh rho rhr rhs roc rod roe roh roo ror ros roy rrc rrd rrh rrr rrs rsc rsd rse rsh rso rsr rss ry- ryc ryd rye ryo ryr rys ryy scc scd sce sch sco scr scs sdc sdd sde sdh sdo sdr sds sdy se- sec sed see seh seo ser ses sey sh- shc shd she shh sho shr shs shy soc sod soe soh soo sor sos soy sr- src srd sre srh sro srr srs sry ss- ssc ssd sse ssh sso ssr sss sy- syc syd sye syh syr sys ycc ycd yce ych yco ycs ycy yde ydo yds ydy yec yed yee yeh yeo yer yes yey yhc yhe yhs yoc yod yoe yoo yor yos yoy yrc yre yro yrs ysc yse yso ysr yss ysy yyc yye yys yyy