-er -ey c-- ccc ccd cce cch cco ccp ccr ccs cdc cdd cde cdh cdo cdp cdr cds cdy ce- cec ced cee ceh ceo cep cer ces cey ch- chc chd che chh cho chp chr chs chy co- coc cod coe coh coo cop cor cos coy cpc cpd cpe cph cpo cpp cpr cps crc crd cre crh cro crp crr crs cry csc csd cse csh cso csp csr css csy cyc cyd cye cyo cyp cyr cys dcc dcd dce dco dcp dcr dcs ddc ddd dde ddh ddo ddp ddr dds ddy de- dec ded dee deh deo dep der des dey dh- dhc dhd dhe dhh dho dhp dhr dhs doc dod doe doh doo dop dor dos doy dpc dpd dpe dph dpo dpp dpr dps drc drd dre dro drp drr drs dry dsc dsd dse dsh dso dsp dsr dss dsy dy- dyc dyd dye dyo dyp dyr dys dyy ec- ecc ecd ece ech eco ecr ecs ed- edc edd ede edh edo edp edr eds edy eec eed eee eeo eep eer ees eey ehc ehd ehe ehh eho ehp ehr ehs eo- eoc eod eoe eoh eoo eop eor eos ep- epc epd epe eph epo epp epr eps erc erd ere erh ero erp err ers ery es- esc esd ese esh eso esp esr ess esy eyc eyd eye eyo eyp eyr eys hcc hcd hce hch hco hcp hcr hcs hcy hdc hdd hde hdh hdo hdp hdr hds hdy he- hec hed hee heh heo hep her hes hey hhc hhd hhe hhh hho hhp hhr hhs hhy hoc hod hoe hoh hoo hop hor hos hoy hpc hpd hpe hph hpo hpp hpr hps hpy hr- hrc hrd hre hrh hro hrp hrr hrs hsc hsd hse hsh hsp hsr hss hsy hy- hyc hyd hye hyh hyo hyp hyr hys hyy oc- occ ocd och oco ocp ocr ocs odc odd ode odh odo odp odr ods oec oed oee oeh oeo oep oer oes oey ohc ohd ohe ohh oho ohp ohr ohs oo- ooc ood ooh ooo oop oor oos op- opc opd ope oph opo opp opr ops opy or- orc ord ore orh oro orp orr ors ory os- osc osd ose osh oso osp osr oss oyd oye oyo oys p-p pcc pcd pce pch pco pcp pcr pcs pdc pdd pde pdh pdo pdp pdr pds pec ped pee peh peo pep per pes pey phc phd phe pho php phr phs phy poc pod poe poh poo pop por pos poy ppc ppd ppe pph ppo ppp ppr pps prc prd pre prh pro prp prr prs pry ps- psc psd pse psh pso psp psr pss psy py- pyc pyd pye pyo pyr pys rcc rcd rce rch rco rcp rcr rcs rdc rdd rde rdh rdo rdp rdr rds rdy re- rec red ree reh reo rep rer res rey rh- rhc rhd rhe rhh rho rhp rhr rhs roc rod roe roh roo rop ror ros roy rpc rpd rpe rph rpo rpp rpr rps rrc rrd rrh rrp rrr rrs rsc rsd rse rsh rso rsp rsr rss ry- ryc ryd rye ryo ryr rys ryy scc scd sce sch sco scp scr scs sdc sdd sde sdh sdo sdp sdr sds sdy se- sec sed see seh seo sep ser ses sey sh- shc shd she shh sho shp shr shs shy soc sod soe soh soo sop sor sos soy spc spd spe sph spo spp spr sps spy sr- src srd sre srh sro srp srr srs sry ss- ssc ssd sse ssh sso ssp ssr sss sy- syc syd sye syh syp syr sys ycc ycd yce ych yco ycp ycs ycy yde ydo yds ydy yec yed yee yeh yeo yep yer yes yey yhc yhe yhs yoc yod yoe yoo yop yor yos yoy ypd ypo yps yrc yre yro yrp yrs ysc yse yso ysp ysr yss ysy yyc yye yys yyy