-er c-- ccc ccd cce cck cco ccp ccr ccs cdc cdd cde cdk cdo cdp cdr cds ce- cec ced cee cek ceo cep cer ces ckc ckd cko cks co- coc cod coe cok coo cop cor cos cpc cpd cpe cpk cpo cpp cpr cps crc crd cre crk cro crp crr crs csc csd cse csk cso csp csr css dcc dcd dce dck dco dcp dcr dcs ddc ddd dde ddk ddo ddp ddr dds de- dec ded dee dek deo dep der des dkc dke dkk dko dkp dkr dks doc dod doe dok doo dop dor dos dpc dpd dpe dpk dpo dpp dpr dps drc drd dre drk dro drp drr drs dsc dsd dse dsk dso dsp dsr dss ec- ecc ecd ece eck eco ecr ecs ed- edc edd ede edk edo edp edr eds eec eed eee eek eeo eep eer ees ekc ekd eke eko ekp ekr eks eo- eoc eod eoe eok eoo eop eor eos ep- epc epd epe epo epp epr eps erc erd ere erk ero erp err ers es- esc esd ese esk eso esp esr ess kcc kcd kce kck kcp kcr kcs kdc kde kdk kdo kdp kdr kds ke- kec ked kee kek keo kep ker kes kkc kke kkk kkp kkr kks koc kod koe kok koo kop kor kos kpc kpd kpe kpk kpo kpp kpr kps krc krd krk kro krp krr krs ksc ksd kse ksk kso ksp ksr kss oc- occ ocd ock oco ocp ocr ocs odc odd ode odo odp odr ods oec oed oee oeo oep oer oes okc okd oke okk oko okp okr oks oo- ooc ood ook ooo oop oor oos op- opc opd ope opk opo opp opr ops or- orc ord ore ork oro orp orr ors os- osc osd ose osk oso osp osr oss p-p pcc pcd pce pck pco pcp pcr pcs pdc pdd pde pdk pdo pdp pdr pds pec ped pee pek peo pep per pes pkc pkd pke pko pkp pkr pks poc pod poe pok poo pop por pos ppc ppd ppe ppk ppo ppp ppr pps prc prd pre prk pro prp prr prs ps- psc psd pse psk pso psp psr pss rcc rcd rce rco rcp rcr rcs rdc rdd rde rdo rdp rdr rds re- rec red ree rek reo rep rer res rkc rke rkk rko rkp rks roc rod roe rok roo rop ror ros rpc rpd rpe rpk rpo rpp rpr rps rrc rrd rrk rrp rrr rrs rsc rsd rse rsk rso rsp rsr rss scc scd sce sck sco scp scr scs sdc sdd sde sdk sdo sdp sdr sds se- sec sed see sek seo sep ser ses sk- skc skd ske skk sko skp skr sks soc sod soe sok soo sop sor sos spc spd spe spk spo spp spr sps sr- src srd sre srk sro srp srr srs ss- ssc ssd sse ssk sso ssp ssr sss

-ose c-cd cccc cccp cccs ccdc ccdp ccdr ccds cced ccee ccoc ccod ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccsd ccsp ccss cd-e cd-r cdcs cddr cdec cder cdes cdos cdps cdre cdrs cdss cec- cece ceco cecp cecs cedd cede cedo ceec cees ceke ceop ceor ceos cepc cepe cepo cepp cepr ceps cer- cerc cerd cere cero cerp cers cesc cese cesp cesr cess ckck ckco ckcs ckdo cker ckoc ckoo ckor ckos ckpc ckpr ckrc ckrd ckso coce cock coco cocp codd code cods coed coep coes cok- coke coko cood cook coop coos copd cope copo copp copr cops cor- corc cord core cork coro corp corr cors cosc cose coso cosp coss cpce cpcs cpep cper cpos cppd cpps cpre cprs cpsc cpsk cpso cpsr crcc crce crcr crdc cre- crec cred cree creo crep cres crkc crkp croc crod croe crok croo crop cror crpc crps crsp crss cscc cscd csce csco cscr cscs csdp csdr csec csee csep cser csks csor csos cspc cspd cspe csps csrc csrd csrs cssd csse cssr dccc dccp dccs dcds dcop dcos dcpo dcps dcrk dcsc dcss dddd ddes ddoc ddpo ddps ddrc ddre ddss dec- decc decd dece deck deco decs dedd dede dedo deed deek deep deer dees dek- deke deks deop deor deos depc depe depo depp depr deps der- derc dere derk dero derp derr ders des- desc dese desk deso desp dess dkdc doce dock doco docs dod- dodd dode dodo dods doek doer does doke doko dood dook doop door doos dope dopo dopp dopr dops dorc dord dore dork doro dorp dorr dors dose dosk doso doss dpcp dper dpos dppc dprk dpsd dred dree drek dres drod drop drrs drsp dscc dscp dscr dscs dsdp dsdr dsos dsps dsrc dsrp dsrr dssc dssp eccc ecce ecco ecdc eced eces ecko ecks eco- ecod ecop ecos ecpd ecpp ecrc ecrr ecsc ecse ecsp ecss eddc edde eddo eddp edds ede- eder edes edoc edod edos edss eecs eede eeee eees eeke eeks eeoc eeps eerc eero eers eese eesk ekco eked ekek eker ekes ekos ekpe ekpo eocd eode eoes eore epcc epec epee eper epes epoc epod epor epos eppc eppo eppp epps epro eprp eprs epsc epsd epsp epss ercc erce ercp erde erds erec ered erer eres erke erks eroc erod eroe eroo eros erpe erps errc erre erro errs erse erso esce esco escr escs esdp esds esee esek eseo eser eses eske esko esks eso- esok esop esos espc espe espo espp esps esrd esse esso essp k-os kccc kccd kcck kccr kcdc kcdd kcdr kcds kcec kced kcee kceo kcep kckc kckk kcko kckr kcoe kcor kcos kcpc kcpo kcpr kcps kcrc kcro kcrp kcrr kcrs kcsc kcsd kcse kcsp kcsr kcss kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdep kdkd kdkk kdko kdkr kdoc kdoe kdok kdpr