-er a-a a-c aaa aac aad aae aak aap aar aav ac- aca acc acd ace ack acp acr acv ad- ada adc add ade adk adp adr adv aea aec aed aee aek aep aer aev aka akc akd ake akk akp akr akv ap- apa apc apd ape apk app apr apv ar- ara arc ard are ark arp arr arv av- ava avc avd ave avk avp avr c-- caa cac cad cae cak cap car cav cca ccc ccd cce cck ccp ccr ccv cda cdc cdd cde cdk cdp cdr cdv ce- cea cec ced cee cek cep cer cev cka ckc ckd cpa cpc cpd cpe cpk cpp cpr cpv cra crc crd cre crk crp crr crv cva cvc cvd cve cvk cvp cvr cvv daa dac dad dae dak dap dar dav dca dcc dcd dce dck dcp dcr dcv dda ddc ddd dde ddk ddp ddr de- dea dec ded dee dek dep der dev dka dkc dke dkk dkp dkr dpa dpc dpd dpe dpk dpp dpr dpv dra drc drd dre drk drp drr drv dva dvc dvd dve dvk dvp dvr eaa eac ead eae eak eap ear eav ec- eca ecc ecd ece eck ecr ecv ed- eda edc edd ede edk edp edr eea eec eed eee eek eep eer eev eka ekc ekd eke ekp ekr ekv ep- epa epc epd epe epp epr era erc erd ere erk erp err erv eva evc evd eve evp evr evv ka- kaa kac kad kae kak kap kar kav kca kcc kcd kce kck kcp kcr kda kdc kde kdk kdp kdr ke- kea kec ked kee kek kep ker kev kkc kke kkk kkp kkr kkv kpa kpc kpd kpe kpk kpp kpr kpv kra krc krd krk krp krr krv kva kvk kvp kvr kvv p-p paa pac pad pae pak pap par pav pca pcc pcd pce pck pcp pcr pcv pda pdc pdd pde pdk pdp pdr pdv pea pec ped pee pek pep per pev pka pkc pkd pke pkp pkr ppa ppc ppd ppe ppk ppp ppr ppv pra prc prd pre prk prp prr prv pva pvc pvd pve pvk pvp pvr pvv ra- raa rac rad rae rak rap rar rav rca rcc rcd rce rcp rcr rcv rda rdc rdd rde rdp rdr rdv re- rea rec red ree rek rep rer rev rkc rke rkk rkp rkv rpa rpc rpd rpe rpk rpp rpr rpv rra rrc rrd rrk rrp rrr rva rvc rvd rve rvp rvr rvv v-a v-e vaa vac vad vae vak vap var vav vca vcc vcd vce vcp vcr vdc vdd vde vdk vdp vdr vdv vea vec ved vee vek vep ver vka vkp vpa vpc vpd vpe vpk vpp vpr vra vrc vrd vre vrk vrp vrr vva vvc vvr vvv

-vac a-ak aaaa aaac aaad aaae aaap aaar aaav aaca aacc aacd aace aack aacp aacr aacv aada aadc aade aaea aaec aaep aaev aaka aake aapa aapc aara aarc aard aare aarp aava acaa acac acad acae acap acar acca accc accd acce accp acda acdc acde acdp ace- acea acec aced acek acer acev ackd acke acpa acpd acpe acpr acr- acra acrc acre acrr acrv acvv adaa adac adad adae adak adap adar adcc adda addc addd adde addr adea adee ader adp- adra adre aeac aeap aede aeer aeka aer- aera aerc aerd aeva akaa akae akap akar akca aked akee aker akka akr- akra akre apac apak apap apar apca apcc apcd apcr apda apdd apea apec aped apep aper apev apke appa appc appd appr apra aprc apre arac arad arae arak arap arar arc- arca arce arda ardc arde area arec ared aree arek arep arev arka arke arpa arpe arr- arra arrc arre arrk arrr arva arve avar avcc avce avda avdp avea avec aver avra avre avva c-cd caaa caac caap cac- caca cacc cace cack cacr cada cadc cadd cade cadr caec caer caka cake capa capc capd cape capp cara carc card care cark carp carr cava cave ccaa ccac ccad ccap ccar ccca cccc cccp cccv ccdc ccdp ccdr cced ccee ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp cd-e cd-r cdaa cdac cdad cdda cddr cdec cder cdre cdvd ceac cead cear cec- ceca cece cecp ceda cedd cede ceec ceke cepa cepc cepe cepp cepr cer- cera cerc cerd cere cerp ceva ckac ckck ckcv cker ckpc ckpr ckrc ckrd cpaa cpac cpad cpap cpca cpce cpea cpep cper cppa cppd cpre cpvc crac crap crar crca crcc crce crcr crda crdc cre- crea crec cred cree crep crkc crkp crpc cvac cvar cvca cvcc cver cvra cvrd cvrr daad daae daap daar daca dace dada dade daer daka dake dapa dape dapp dara darc dard dare dark darp darr dava dave dcca dccc dccp dccv dcra dcrk dcvd dddd ddrc ddre deac dead deae deak deap dear dec- deca decc decd dece deck deda dedd dede deed deek deep deer deev dek- deka deke depa depc depe depp depr der- dera derc dere derk derp derr derv deva deve dkdc dpaa dpac dpcp dper dppa dppc dprk draa drac drad drak drap drar drca drda drea dred dree drek drev drra dvar dvda dvdr dvra dvrp eaca eacc eada eadd eadp eaec eapc eapp eara eard eare earp eave eavp ecaa ecac ecad ecar ecca eccc ecce ecdc eced ecka ecpa ecpd ecpp ecra ecrc ecrr ecrv edac edad edar edca edda eddc edde eddp ede- edea eder edra edve eeca eede eeea eeee eeka eeke eera eerc eeva eka- eked ekek eker ekka ekpe epaa epac epad epcc epec epee eper eppa eppc eppp epra eprp erad erap erca ercc erce ercp erda erde erec ered erer erev erke erpa erpe erra errc erre erve evac evae evap evar evea ever evra evre evvk kaaa kaak kaap kaar kacc kacd kace kacp