-er -ey c-- ccc ccd cce cco ccp ccr ccs ccv cdc cdd cde cdo cdp cdr cds cdv cdy ce- cec ced cee ceo cep cer ces cev cey co- coc cod coe coo cop cor cos cov coy cpc cpd cpe cpo cpp cpr cps cpv crc crd cre cro crp crr crs crv cry csc csd cse cso csp csr css csv csy cvc cvd cve cvo cvp cvr cvs cvv cyc cyd cye cyo cyp cyr cys dcc dcd dce dco dcp dcr dcs dcv ddc ddd dde ddo ddp ddr dds ddy de- dec ded dee deo dep der des dev dey doc dod doe doo dop dor dos dov doy dpc dpd dpe dpo dpp dpr dps dpv drc drd dre dro drp drr drs drv dry dsc dsd dse dso dsp dsr dss dsv dsy dvc dvd dve dvp dvr dvs dy- dyc dyd dye dyo dyp dyr dys dyy ec- ecc ecd ece eco ecr ecs ecv ed- edc edd ede edo edp edr eds edy eec eed eee eeo eep eer ees eev eey eo- eoc eod eoe eoo eop eor eos ep- epc epd epe epo epp epr eps erc erd ere ero erp err ers erv ery es- esc esd ese eso esp esr ess esv esy evc evd eve evo evp evr evs evv evy eyc eyd eye eyo eyp eyr eys oc- occ ocd oco ocp ocr ocs ocv odc odd ode odo odp odr ods odv oec oed oee oeo oep oer oes oey oo- ooc ood ooo oop oor oos oov op- opc opd ope opo opp opr ops opv opy or- orc ord ore oro orp orr ors orv ory os- osc osd ose oso osp osr oss osv ov- ovc ovd ove ovo ovp ovs ovv oyd oye oyo oys p-p pcc pcd pce pco pcp pcr pcs pcv pdc pdd pde pdo pdp pdr pds pdv pec ped pee peo pep per pes pev pey poc pod poe poo pop por pos pov poy ppc ppd ppe ppo ppp ppr pps ppv prc prd pre pro prp prr prs prv pry ps- psc psd pse pso psp psr pss psv psy pvc pvd pve pvo pvp pvr pvs pvv py- pyc pyd pye pyo pyr pys rcc rcd rce rco rcp rcr rcs rcv rdc rdd rde rdo rdp rdr rds rdv rdy re- rec red ree reo rep rer res rev rey roc rod roe roo rop ror ros rov roy rpc rpd rpe rpo rpp rpr rps rpv rrc rrd rrp rrr rrs rsc rsd rse rso rsp rsr rss rsv rvc rvd rve rvo rvp rvr rvs rvv rvy ry- ryc ryd rye ryo ryr rys ryy scc scd sce sco scp scr scs scv sdc sdd sde sdo sdp sdr sds sdv sdy se- sec sed see seo sep ser ses sev sey soc sod soe soo sop sor sos sov soy spc spd spe spo spp spr sps spv spy sr- src srd sre sro srp srr srs srv sry ss- ssc ssd sse sso ssp ssr sss ssv svc svd sve svo svp svr svs svv svy sy- syc syd sye syp syr sys v-e vcc vcd vce vco vcp vcr vcs vcy vdc vdd vde vdo vdp vdr vds vdv vec ved vee veo vep ver ves vey voc vod voe voo vop vor vos vov voy vpc vpd vpe vpo vpp vpr vps vrc vrd vre vrp vrr vrs vry vsc vsd vse vso vsp vsr vss vsv vvc vvo vvr vvs vvv vyd vye vyp ycc ycd yce yco ycp ycs ycv ycy yde ydo yds ydy yec yed yee yeo yep yer yes yev yey yoc yod yoe yoo yop yor yos yoy ypd ypo yps yrc yre yro yrp yrs ysc yse yso ysp ysr yss ysy yve yvo yvr yvy yyc yye yys yyy