-er -ol c-- ccc ccd cce cch ccl cco ccr ccs ccv cdc cdd cde cdh cdl cdo cdr cds cdv ce- cec ced cee ceh cel ceo cer ces cev ch- chc chd che chh chl cho chr chs chv cl- clc cld cle clh cll clo clr cls clv co- coc cod coe coh col coo cor cos cov crc crd cre crh crl cro crr crs crv csc csd cse csh csl cso csr css csv cvc cvd cve cvh cvl cvo cvr cvs cvv dcc dcd dce dcl dco dcr dcs dcv ddc ddd dde ddh ddl ddo ddr dds de- dec ded dee deh del deo der des dev dh- dhc dhd dhe dhh dhl dho dhr dhs dl- dlc dld dle dlh dll dlo dlr dls dlv doc dod doe doh dol doo dor dos dov drc drd dre drl dro drr drs drv dsc dsd dse dsh dsl dso dsr dss dsv dvc dvd dve dvh dvl dvr dvs ec- ecc ecd ece ech ecl eco ecr ecs ecv ed- edc edd ede edh edl edo edr eds eec eed eee eel eeo eer ees eev ehc ehd ehe ehh ehl eho ehr ehs ehv elc eld ele elh ell elo elr els elv eo- eoc eod eoe eoh eol eoo eor eos erc erd ere erh erl ero err ers erv es- esc esd ese esh esl eso esr ess esv evc evd eve evh evl evo evr evs evv hcc hcd hce hch hcl hco hcr hcs hcv hdc hdd hde hdh hdl hdo hdr hds hdv he- hec hed hee heh hel heo her hes hev hhc hhd hhe hhh hhl hho hhr hhs hhv hlc hld hle hlh hll hlo hlr hls hlv hoc hod hoe hoh hol hoo hor hos hov hr- hrc hrd hre hrh hrl hro hrr hrs hrv hsc hsd hse hsh hsl hsr hss hsv hv- hvc hvd hvl hvo hvr hvs hvv lcc lcd lce lch lcl lco lcr lcs lcv ldc ldd lde ldh ldl ldo ldr lds ldv lec led lee leh lel leo ler les lev lhc lhd lhh lho lhr lhs lhv llc lld lle lll llo llr lls llv loc lod loe loh lol loo lor los lov lrc lrd lrh lro lrr lrs lrv lsc lsd lse lsh lsl lso lsr lss lsv lvc lvd lve lvh lvl lvr lvs lvv oc- occ ocd och ocl oco ocr ocs ocv odc odd ode odh odl odo odr ods odv oec oed oee oeh oel oeo oer oes ohc ohd ohe ohh ohl oho ohr ohs olc old ole oll olo ols oo- ooc ood ooh ool ooo oor oos oov or- orc ord ore orh orl oro orr ors orv os- osc osd ose osh osl oso osr oss osv ov- ovc ovd ove ovh ovl ovo ovs ovv rcc rcd rce rch rcl rco rcr rcs rcv rdc rdd rde rdh rdl rdo rdr rds rdv re- rec red ree reh rel reo rer res rev rh- rhc rhd rhe rhh rhl rho rhr rhs rhv rlc rld rle rlh rll rlo rlr rls roc rod roe roh rol roo ror ros rov rrc rrd rrh rrl rrr rrs rsc rsd rse rsh rsl rso rsr rss rsv rvc rvd rve rvh rvl rvo rvr rvs rvv scc scd sce sch scl sco scr scs scv sdc sdd sde sdh sdl sdo sdr sds sdv se- sec sed see seh sel seo ser ses sev sh- shc shd she shh shl sho shr shs shv slc sld sle slh sll slo slr sls slv soc sod soe soh sol soo sor sos sov sr- src srd sre srh srl sro srr srs srv ss- ssc ssd sse ssh ssl sso ssr sss ssv svc svd sve svl svo svr svs svv v-e vcc vcd vce vch vcl vco vcr vcs vdc vdd vde vdh vdl vdo vdr vds vdv vec ved vee veh vel veo ver ves vh- vhc vhd vhe vho vhs vl- vlc vld vle vll vlo vls vlv voc vod voe voh vol voo vor vos vov vrc vrd vre vrh vrr vrs vsc vsd vse vsh vsl vso vsr vss vsv vvc vvo vvr vvs vvv