-er a-a a-c aaa aac aae aao aap aar aav ac- aca acc ace aco acp acr acv aea aec aee aeo aep aer aev aoa aoc aoe aoo aop aor aov ap- apa apc ape apo app apr apv ar- ara arc are aro arp arr arv av- ava avc ave avo avp avr c-- caa cac cae cao cap car cav cca ccc cce cco ccp ccr ccv ce- cea cec cee ceo cep cer cev co- coa coc coe coo cop cor cov cpa cpc cpe cpo cpp cpr cpv cra crc cre cro crp crr crv cva cvc cve cvo cvp cvr cvv eaa eac eae eao eap ear eav ec- eca ecc ece eco ecr ecv eea eec eee eeo eep eer eev eo- eoa eoc eoe eoo eop eor ep- epa epc epe epo epp epr era erc ere ero erp err erv eva evc eve evo evp evr evv oaa oac oae oao oap oar oav oc- oca occ oco ocp ocr ocv oea oec oee oeo oep oer oo- ooa ooc ooo oop oor oov op- opa opc ope opo opp opr opv or- ora orc ore oro orp orr orv ov- ova ovc ove ovo ovp ovv p-p paa pac pae pao pap par pav pca pcc pce pco pcp pcr pcv pea pec pee peo pep per pev poa poc poe poo pop por pov ppa ppc ppe ppo ppp ppr ppv pra prc pre pro prp prr prv pva pvc pve pvo pvp pvr pvv ra- raa rac rae rao rap rar rav rca rcc rce rco rcp rcr rcv re- rea rec ree reo rep rer rev roa roc roe roo rop ror rov rpa rpc rpe rpo rpp rpr rpv rra rrc rrp rrr rva rvc rve rvo rvp rvr rvv v-a v-e vaa vac vae vao vap var vav vca vcc vce vco vcp vcr vea vec vee veo vep ver voa voc voe voo vop vor vov vpa vpc vpe vpo vpp vpr vra vrc vre vrp vrr vva vvc vvo vvr vvv

-vac aaaa aaac aaae aaap aaar aaav aaca aacc aace aaco aacp aacr aacv aaea aaec aaep aaev aaoe aaoo aapa aapc aapo aara aarc aare aaro aarp aava acaa acac acae acap acar acca accc acce acco accp ace- acea acec acer acev acoa acoe acop acor acpa acpe acpr acr- acra acrc acre acro acrr acrv acvv aeac aeap aeer aer- aera aerc aero aeva aoca aoce aopo aora apac apao apap apar apca apcc apco apcr apea apec apep aper apev apo- apoc apoe apoo apop apor appa appc appr apra aprc apre apro arac arae arap arar arc- arca arce arco area arec aree areo arep arev aroa aroe aroo aror arpa arpe arr- arra arrc arre arro arrr arva arve arvo avao avar avcc avce avco avea avec aveo aver avor avra avre avro avva avvo caaa caac caap cac- caca cacc cace caco cacr caec caer caor capa capc cape capo capp cara carc care caro carp carr cava cave cavo ccaa ccac ccap ccar ccca cccc cccp cccv ccee ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ccvo ceac cear cec- ceca cece ceco cecp ceec ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cero cerp ceva cevo coca coce coco cocp coep coop copa cope copo copp copr cor- cora corc core coro corp corr cova cove covo cpaa cpac cpap cpca cpce cpea cpep cper cppa cpre cpvc crac crap crar crca crcc crce crcr cre- crea crec cree creo crep croc croe croo crop cror crpc cvac cvar cvca cvcc cver cvra cvrr eaca eacc eaec eaop eapc eapp eara eare earo earp eave eavp ecaa ecac ecao ecar ecca eccc ecce ecco eco- ecop ecpa ecpp ecra ecrc ecrr ecrv eeca eeea eeee eeoc eera eerc eero eeva eora eore epaa epac epcc epec epee eper epoc epor eppa eppc eppo eppp epra epro eprp erap erca ercc erce ercp erec erer erev eroc eroe eroo erpa erpe erra errc erre erro erve evac evae evap evar evea ever evoe evoo evop evra evre o-eo oaer oara oare ocac ocap occa occc oce ocee ocpa ocpp ocra ocre ocro ocrr oec- oeca oecc oeec oepa oera oere oevp ooaa oocr ooer oooo oora oore opap opar opca opec opep oper opo- opor oppa oppo opra orac orae orao orar orav orca orce orco ore- orea orec oreo orer oro- oroe oror orpc orpe orra orro orve orvr ovar ovee over ovo- ovoo ovpp ovra ovre paap paar paca pace paco paea paec paep paer paoc papa pape papp papr par- para parc pare paro parp parr parv pava pave pavo pcaa pcae pcap pcca pccc pcce pcea pcep pcer pcoa pcoe pcpp pcra pcrc pcre peac peap pear peca pece peco pecr peec peep peer peev peor pepa pepe pepo per- pera perc pere pero perp perr perv poar poca poce poco poea poer poop poor pop- popa popc pope popo popp pora porc pore poro porr povo ppac ppap ppar ppcc pper ppoa pppa pppo pppp pprc prae prao prar prca prcc prcp pre- prec pree prep prev pro- proa proc proe proo prop prov pvco pvpa rac- raca racc race raco racv raec raep raer raoc raop rapa rapc rape rapp rara rare raro rava rave rcac rccc rcep rcpo rcvr rea- reac reae reao reap rear reca recc rece recp recr reep reev reop repe repo repp repr rera rere rero reva reve revo revp roap roar roca rocc roce roco roea roer roev roop roor ropa rope ropo rora rorc rore roro rova rove rovo rpca rpoe rrrr rv-c rvca rver vaar vaca vace vaco vapa vape vara vare varp varr vava vear vecc veep veer veor vepe vepr ver- vera vere vero veve vevo voar voca voce voer vooc voor vor- vora vore voro vpro vrac vrap vrav vreo vroc vver