-er c-- ccc ccd cce cck cco ccp ccr ccs cct cdc cdd cde cdk cdo cdp cdr cds cdt ce- cec ced cee cek ceo cep cer ces cet ckc ckd cko cks ckt co- coc cod coe cok coo cop cor cos cot cpc cpd cpe cpk cpo cpp cpr cps cpt crc crd cre crk cro crp crr crs crt csc csd cse csk cso csp csr css cst ctc ctd cte ctk cto ctp ctr cts ctt dcc dcd dce dck dco dcp dcr dcs dct ddc ddd dde ddk ddo ddp ddr dds ddt de- dec ded dee dek deo dep der des det dkc dke dkk dko dkp dkr dks dkt doc dod doe dok doo dop dor dos dot dpc dpd dpe dpk dpo dpp dpr dps dpt drc drd dre drk dro drp drr drs drt dsc dsd dse dsk dso dsp dsr dss dst dtc dtd dte dtk dto dtp dtr dts dtt ec- ecc ecd ece eck eco ecr ecs ect ed- edc edd ede edk edo edp edr eds edt eec eed eee eek eeo eep eer ees eet ekc ekd eke eko ekp ekr eks ekt eo- eoc eod eoe eok eoo eop eor eos eot ep- epc epd epe epo epp epr eps ept erc erd ere erk ero erp err ers ert es- esc esd ese esk eso esp esr ess est etc etd ete etk eto etp etr ets ett k-t kcc kcd kce kck kcp kcr kcs kct kdc kde kdk kdo kdp kdr kds kdt ke- kec ked kee kek keo kep ker kes ket kkc kke kkk kkp kkr kks kkt koc kod koe kok koo kop kor kos kot kpc kpd kpe kpk kpo kpp kpr kps kpt krc krd krk kro krp krr krs krt ksc ksd kse ksk kso ksp ksr kss kst ktc kte ktk kto ktp ktr kts ktt oc- occ ocd ock oco ocp ocr ocs oct odc odd ode odo odp odr ods odt oec oed oee oeo oep oer oes oet okc okd oke okk oko okp okr oks oo- ooc ood ook ooo oop oor oos oot op- opc opd ope opk opo opp opr ops opt or- orc ord ore ork oro orp orr ors ort os- osc osd ose osk oso osp osr oss ost ot- otc otd ote otk oto otp otr ots ott p-p pcc pcd pce pck pco pcp pcr pcs pct pdc pdd pde pdk pdo pdp pdr pds pdt pec ped pee pek peo pep per pes pet pkc pkd pke pko pkp pkr pks pkt poc pod poe pok poo pop por pos pot ppc ppd ppe ppk ppo ppp ppr pps ppt prc prd pre prk pro prp prr prs prt ps- psc psd pse psk pso psp psr pss pst pt- ptc ptd pte ptk pto ptp ptr pts ptt rcc rcd rce rco rcp rcr rcs rct rdc rdd rde rdo rdp rdr rds rdt re- rec red ree rek reo rep rer res ret rkc rke rkk rko rkp rks rkt roc rod roe rok roo rop ror ros rot rpc rpd rpe rpk rpo rpp rpr rps rpt rrc rrd rrk rrp rrr rrs rrt rsc rsd rse rsk rso rsp rsr rss rst rtc rtd rte rtk rto rtp rtr rts rtt scc scd sce sck sco scp scr scs sct sdc sdd sde sdk sdo sdp sdr sds sdt se- sec sed see sek seo sep ser ses set sk- skc skd ske skk sko skp skr sks skt soc sod soe sok soo sop sor sos sot spc spd spe spk spo spp spr sps spt sr- src srd sre srk sro srp srr srs srt ss- ssc ssd sse ssk sso ssp ssr sss sst stc std ste stk sto stp str sts stt tcc tcd tce tck tco tcp tcr tcs tct tdc tdd tde tdk tdo tdp tdr tds tdt te- tec ted tee tek teo tep ter tes tet tkc tke tkk tko tkp tkr tks tkt to- toc tod toe tok too top tor tos tot tpc tpd tpe tpk tpo tpp tpr tps tpt trc trd tre trk tro trp trr trs trt tsc tsd tse tsk tso tsp tsr tss tst ttc ttd tte ttk tto ttp ttr tts ttt

-ose c-cd cccc cccp cccs ccdc ccdp ccdr ccds cced ccee ccoc ccod ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccrt ccsd ccsp ccss ccst cctc cctt cd-e cd-r cdcs cddr cdec cder cdes cdos cdot cdps cdre cdrs cdss cec- cece ceco cecp cecs cect cedd cede cedo cedt ceec cees ceke ceop ceor ceos cepc cepe cepo cepp cepr ceps cept cer- cerc cerd cere cero cerp cers cert cesc cese cesp cesr cess cest cet- cete ceto cetp cets ckck ckco ckcs ckdo cker ckoc ckoo ckor ckos ckot ckpc ckpr ckrc ckrd ckso ckst ckts coce cock coco cocp coct codd code cods coed coep coes cok- coke coko cood cook coop coos coot copd cope copo copp copr cops copt cor- corc cord core cork coro corp corr cors cort cosc cose coso cosp coss cost cotc cote coto cots cott cpce cpcs cpep cper cpos cppd cpps cpre cprs cprt cpsc cpsk cpso cpsr cptp cptr cpts crcc crce crcr crdc cre- crec cred cree creo crep cres cret crkc crkp croc crod croe crok croo crop cror crot crpc crps crrt crsp crss crst crtc crtp crts cscc cscd csce csco cscr cscs csdp csdr csec csee csep cser cset csks csor csos csot cspc cspd cspe csps cspt csrc csrd csrs cssd csse cssr cstc cstd csto cstr csts ctcp ctec ctep ctor ctos ctot ctpo ctpp ctps ctrc ctrp ctrs ctsc ctss ctts dccc dccp dccs dcct dcds dcop dcos dcpo dcps dcrk dcsc dcss dctc dcts dddd ddes ddoc ddot ddpo ddps ddrc ddre ddss ddts dec- decc decd