-er c-- ccc ccd cce ccf cco ccr ccs cct ccv cdc cdd cde cdf cdo cdr cds cdt cdv ce- cec ced cee cef ceo cer ces cet cev cfc cfd cfe cff cfo cfr cfs cft cfv co- coc cod coe cof coo cor cos cot cov crc crd cre crf cro crr crs crt crv csc csd cse csf cso csr css cst csv ctc ctd cte ctf cto ctr cts ctt ctv cvc cvd cve cvf cvo cvr cvs cvt cvv dcc dcd dce dcf dco dcr dcs dct dcv ddc ddd dde ddf ddo ddr dds ddt de- dec ded dee def deo der des det dev dfc dfd dfe dff dfo dfr dfs dft dfv doc dod doe dof doo dor dos dot dov drc drd dre dro drr drs drt drv dsc dsd dse dsf dso dsr dss dst dsv dtc dtd dte dtf dto dtr dts dtt dtv dvc dvd dve dvr dvs dvt ec- ecc ecd ece ecf eco ecr ecs ect ecv ed- edc edd ede edf edo edr eds edt eec eed eee eef eeo eer ees eet eev ef- efc efd efe eff efo efr efs eft eo- eoc eod eoe eof eoo eor eos eot erc erd ere erf ero err ers ert erv es- esc esd ese esf eso esr ess est esv etc etd ete etf eto etr ets ett etv evc evd eve evf evo evr evs evt evv fcc fcd fce fcf fco fcr fcs fct fcv fdc fdd fde fdf fdo fdr fds fdt fec fed fee fef feo fer fes fet fev ffc ffd ffe fff ffo ffr ffs fft ffv foc foe fof foo for fos fot frc frd fre frf fro frr frs frt fsc fsd fse fsf fso fsr fss fst fsv ftc ftd fte ftf fto ftr fts ftt ftv fvc fvd fvt oc- occ ocd ocf oco ocr ocs oct ocv odc odd ode odf odo odr ods odt odv oec oed oee oef oeo oer oes oet of- ofc ofd ofe off ofo ofr ofs oft ofv oo- ooc ood oof ooo oor oos oot oov or- orc ord ore orf oro orr ors ort orv os- osc osd ose osf oso osr oss ost osv ot- otc otd ote otf oto otr ots ott otv ov- ovc ovd ove ovf ovo ovs ovv rcc rcd rce rcf rco rcr rcs rct rcv rdc rdd rde rdf rdo rdr rds rdt rdv re- rec red ree ref reo rer res ret rev rfc rfd rfe rff rfo rfr rfs rft rfv roc rod roe rof roo ror ros rot rov rrc rrd rrf rrr rrs rrt rsc rsd rse rsf rso rsr rss rst rsv rtc rtd rte rtf rto rtr rts rtt rtv rvc rvd rve rvf rvo rvr rvs rvt rvv scc scd sce scf sco scr scs sct scv sdc sdd sde sdf sdo sdr sds sdt sdv se- sec sed see sef seo ser ses set sev sfc sfd sfe sff sfo sfr sfs sft sfv soc sod soe sof soo sor sos sot sov sr- src srd sre srf sro srr srs srt srv ss- ssc ssd sse ssf sso ssr sss sst ssv stc std ste stf sto str sts stt stv svc svd sve svf svo svr svs svt svv tcc tcd tce tcf tco tcr tcs tct tcv tdc tdd tde tdf tdo tdr tds tdt tdv te- tec ted tee tef teo ter tes tet tev tfc tfd tfe tff tfo tfr tfs tft to- toc tod toe tof too tor tos tot tov trc trd tre trf tro trr trs trt trv tsc tsd tse tsf tso tsr tss tst tsv ttc ttd tte ttf tto ttr tts ttt ttv tvc tvd tve tvf tvo tvr tvs tvt v-e vcc vcd vce vcf vco vcr vcs vct vdc vdd vde vdf vdo vdr vds vdt vdv vec ved vee vef veo ver ves vet vfc vfd vff vfr vfs vft vfv voc vod voe vof voo vor vos vot vov vrc vrd vre vrf vrr vrs vrt vsc vsd vse vsf vso vsr vss vst vsv vtc vte vto vtr vts vtt vtv vvc vvo vvr vvs vvt vvv

-ose c-cd cccc cccf cccs cccv ccdc ccdf ccdr ccds cced ccee ccfc ccfd ccff ccoc ccod ccrc ccre ccrf ccrs ccrt ccsd ccsf ccss ccst cctc cctt cctv ccvo ccvs cd-e cd-r cdcs cddr cdec cdef cder cdes cdfe cdfs cdos cdot cdre cdrs cdss cdtv cdvd cec- cece ceco cecs cect cedd cede cedo cedt ceec cees cef- cefc ceor ceos cer- cerc cerd cere cerf cero cers cert cesc cese cesr cess cest cet- cete ceto cets cetv cevo cfcf cfco cfcs cfds cffr cfor cfos cfre cfrt cfse cftc cfte cftr coce coco coct codd code cods coed coes cofc cofe coff cofs coft cood coof coos coot cor- corc cord core corf coro corr cors cort cosc cose coso coss cost cotc cote coto cots cott cove covo crcc crce crcr crdc cre- crec cred cree creo cres cret crfc crfs croc crod croe croo cror crot crrt crss crst crtc crtf crts crtv cscc cscd csce cscf csco cscr cscs csdr csec csee cser cset csfc csfr csor csos csot csrc csrd csrs cssd csse cssr cstc cstd csto cstr csts ctcf ctec ctfc ctfo ctfs ctor ctos ctot ctrc ctrs ctsc ctss ctts ctvo ctvt cvcc cver cvet cvfr cvrd cvrr cvsd cvss cvte d-tv dccc dccs dcct dccv dcds dcfc dcfs dcos dcsc dcss dctc dcts dctv dcvd dddd ddes ddoc ddot ddrc ddre ddss ddts ddtv dec- decc decd dece deco decs dect dedd dede dedo deed deef deer dees deet deev defe deff defo defs deft deor deos der- derc dere derf dero derr ders derv des- desc dese deso dess dest dete deto detr dets deve devo devs dfcc dfco dfcs dfds dfdt dfer dfoe