-er -ol c-- ccc ccd cce cch ccl cco ccp ccr ccs cdc cdd cde cdh cdl cdo cdp cdr cds ce- cec ced cee ceh cel ceo cep cer ces ch- chc chd che chh chl cho chp chr chs cl- clc cld cle clh cll clo clp clr cls co- coc cod coe coh col coo cop cor cos cpc cpd cpe cph cpl cpo cpp cpr cps crc crd cre crh crl cro crp crr crs csc csd cse csh csl cso csp csr css dcc dcd dce dcl dco dcp dcr dcs ddc ddd dde ddh ddl ddo ddp ddr dds de- dec ded dee deh del deo dep der des dh- dhc dhd dhe dhh dhl dho dhp dhr dhs dl- dlc dld dle dlh dll dlo dlp dlr dls doc dod doe doh dol doo dop dor dos dpc dpd dpe dph dpl dpo dpp dpr dps drc drd dre drl dro drp drr drs dsc dsd dse dsh dsl dso dsp dsr dss ec- ecc ecd ece ech ecl eco ecr ecs ed- edc edd ede edh edl edo edp edr eds eec eed eee eel eeo eep eer ees ehc ehd ehe ehh ehl eho ehp ehr ehs elc eld ele elh ell elo elp elr els eo- eoc eod eoe eoh eol eoo eop eor eos ep- epc epd epe eph epl epo epp epr eps erc erd ere erh erl ero erp err ers es- esc esd ese esh esl eso esp esr ess hcc hcd hce hch hcl hco hcp hcr hcs hdc hdd hde hdh hdl hdo hdp hdr hds he- hec hed hee heh hel heo hep her hes hhc hhd hhe hhh hhl hho hhp hhr hhs hlc hld hle hlh hll hlo hlp hlr hls hoc hod hoe hoh hol hoo hop hor hos hpc hpd hpe hph hpl hpo hpp hpr hps hr- hrc hrd hre hrh hrl hro hrp hrr hrs hsc hsd hse hsh hsl hsp hsr hss l-p lcc lcd lce lch lcl lco lcp lcr lcs ldc ldd lde ldh ldl ldo ldp ldr lds lec led lee leh lel leo lep ler les lhc lhd lhh lho lhp lhr lhs llc lld lle lll llo llp llr lls loc lod loe loh lol loo lop lor los lpc lpd lpe lph lpl lpo lpp lpr lps lrc lrd lrh lro lrp lrr lrs lsc lsd lse lsh lsl lso lsp lsr lss oc- occ ocd och ocl oco ocp ocr ocs odc odd ode odh odl odo odp odr ods oec oed oee oeh oel oeo oep oer oes ohc ohd ohe ohh ohl oho ohp ohr ohs olc old ole oll olo olp ols oo- ooc ood ooh ool ooo oop oor oos op- opc opd ope oph opl opo opp opr ops or- orc ord ore orh orl oro orp orr ors os- osc osd ose osh osl oso osp osr oss p-p pcc pcd pce pch pcl pco pcp pcr pcs pdc pdd pde pdh pdl pdo pdp pdr pds pec ped pee peh pel peo pep per pes phc phd phe phl pho php phr phs plc pld ple plh pll plo plp plr pls poc pod poe poh pol poo pop por pos ppc ppd ppe pph ppl ppo ppp ppr pps prc prd pre prh prl pro prp prr prs ps- psc psd pse psh psl pso psp psr pss rcc rcd rce rch rcl rco rcp rcr rcs rdc rdd rde rdh rdl rdo rdp rdr rds re- rec red ree reh rel reo rep rer res rh- rhc rhd rhe rhh rhl rho rhp rhr rhs rlc rld rle rlh rll rlo rlp rlr rls roc rod roe roh rol roo rop ror ros rpc rpd rpe rph rpl rpo rpp rpr rps rrc rrd rrh rrl rrp rrr rrs rsc rsd rse rsh rsl rso rsp rsr rss scc scd sce sch scl sco scp scr scs sdc sdd sde sdh sdl sdo sdp sdr sds se- sec sed see seh sel seo sep ser ses sh- shc shd she shh shl sho shp shr shs slc sld sle slh sll slo slp slr sls soc sod soe soh sol soo sop sor sos spc spd spe sph spl spo spp spr sps sr- src srd sre srh srl sro srp srr srs ss- ssc ssd sse ssh ssl sso ssp ssr sss