-er c-- ccc ccd cce cck cco ccr ccs cct ccv cdc cdd cde cdk cdo cdr cds cdt cdv ce- cec ced cee cek ceo cer ces cet cev ckc ckd cko cks ckt co- coc cod coe cok coo cor cos cot cov crc crd cre crk cro crr crs crt crv csc csd cse csk cso csr css cst csv ctc ctd cte ctk cto ctr cts ctt ctv cvc cvd cve cvk cvo cvr cvs cvt cvv dcc dcd dce dck dco dcr dcs dct dcv ddc ddd dde ddk ddo ddr dds ddt de- dec ded dee dek deo der des det dev dkc dke dkk dko dkr dks dkt doc dod doe dok doo dor dos dot dov drc drd dre drk dro drr drs drt drv dsc dsd dse dsk dso dsr dss dst dsv dtc dtd dte dtk dto dtr dts dtt dtv dvc dvd dve dvk dvr dvs dvt ec- ecc ecd ece eck eco ecr ecs ect ecv ed- edc edd ede edk edo edr eds edt eec eed eee eek eeo eer ees eet eev ekc ekd eke eko ekr eks ekt ekv eo- eoc eod eoe eok eoo eor eos eot erc erd ere erk ero err ers ert erv es- esc esd ese esk eso esr ess est esv etc etd ete etk eto etr ets ett etv evc evd eve evo evr evs evt evv k-t kcc kcd kce kck kcr kcs kct kdc kde kdk kdo kdr kds kdt ke- kec ked kee kek keo ker kes ket kev kkc kke kkk kkr kks kkt kkv koc kod koe kok koo kor kos kot krc krd krk kro krr krs krt krv ksc ksd kse ksk kso ksr kss kst ksv ktc kte ktk kto ktr kts ktt ktv kvk kvo kvr kvs kvv oc- occ ocd ock oco ocr ocs oct ocv odc odd ode odo odr ods odt odv oec oed oee oeo oer oes oet okc okd oke okk oko okr oks oo- ooc ood ook ooo oor oos oot oov or- orc ord ore ork oro orr ors ort orv os- osc osd ose osk oso osr oss ost osv ot- otc otd ote otk oto otr ots ott otv ov- ovc ovd ove ovo ovs ovv rcc rcd rce rco rcr rcs rct rcv rdc rdd rde rdo rdr rds rdt rdv re- rec red ree rek reo rer res ret rev rkc rke rkk rko rks rkt rkv roc rod roe rok roo ror ros rot rov rrc rrd rrk rrr rrs rrt rsc rsd rse rsk rso rsr rss rst rsv rtc rtd rte rtk rto rtr rts rtt rtv rvc rvd rve rvo rvr rvs rvt rvv scc scd sce sck sco scr scs sct scv sdc sdd sde sdk sdo sdr sds sdt sdv se- sec sed see sek seo ser ses set sev sk- skc skd ske skk sko skr sks skt soc sod soe sok soo sor sos sot sov sr- src srd sre srk sro srr srs srt srv ss- ssc ssd sse ssk sso ssr sss sst ssv stc std ste stk sto str sts stt stv svc svd sve svk svo svr svs svt svv tcc tcd tce tck tco tcr tcs tct tcv tdc tdd tde tdk tdo tdr tds tdt tdv te- tec ted tee tek teo ter tes tet tev tkc tke tkk tko tkr tks tkt to- toc tod toe tok too tor tos tot tov trc trd tre trk tro trr trs trt trv tsc tsd tse tsk tso tsr tss tst tsv ttc ttd tte ttk tto ttr tts ttt ttv tvc tvd tve tvk tvo tvr tvs tvt v-e vcc vcd vce vco vcr vcs vct vdc vdd vde vdk vdo vdr vds vdt vdv vec ved vee vek veo ver ves vet vkt voc vod voe vok voo vor vos vot vov vrc vrd vre vrk vrr vrs vrt vsc vsd vse vsk vso vsr vss vst vsv vtc vte vtk vto vtr vts vtt vtv vvc vvo vvr vvs vvt vvv

-ose c-cd cccc cccs cccv ccdc ccdr ccds cced ccee ccoc ccod ccrc ccre ccrs ccrt ccsd ccss ccst cctc cctt cctv ccvo ccvs cd-e cd-r cdcs cddr cdec cder cdes cdos cdot cdre cdrs cdss cdtv cdvd cec- cece ceco cecs cect cedd cede cedo cedt ceec cees ceke ceor ceos cer- cerc cerd cere cero cers cert cesc cese cesr cess cest cet- cete ceto cets cetv cevo ckck ckco ckcs ckcv ckdo cker ckoc ckoo ckor ckos ckot ckrc ckrd ckso ckst ckts ckvo coce cock coco coct codd code cods coed coes cok- coke coko cood cook coos coot cor- corc cord core cork 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 crkc croc crod croe crok croo cror crot crrt crss crst crtc crts crtv cscc cscd csce csco cscr cscs csdr csec csee cser cset csks csor csos csot csrc csrd csrs cssd csse cssr cstc cstd csto cstr csts ctec ctor ctos ctot ctrc ctrs ctsc ctss ctts ctvo ctvt cvcc cver cvet cvrd cvrr cvsd cvss cvte d-tv dccc dccs dcct dccv dcds dcos dcrk dcsc dcss dctc dcts dctv dcvd dddd ddes ddoc ddot ddrc ddre ddss ddts ddtv dec- decc decd dece deck deco decs dect dedd dede dedo deed deek deer dees deet deev dek- deke deks deor deos der- derc dere derk dero derr ders derv des- desc dese desk deso dess dest dete detk deto detr dets deve devo devs dkdc doce dock doco docs doct dod- dodd dode dodo dods doek doer does doke doko dood dook door doos doot dorc dord dore dork doro dorr dors dort dose dosk doso doss dost dotd dote dotk doto dots dott dove dred dree drek dres dret drev drod drot