-er a-a a-c aaa aac aae aag aao aap aar ac- aca acc ace acg aco acp acr aea aec aee aeg aeo aep aer ag- aga agc age agg ago agp agr aoa aoc aoe aog aoo aop aor ap- apa apc ape apg apo app apr ar- ara arc are arg aro arp arr c-- caa cac cae cag cao cap car cca ccc cce ccg cco ccp ccr ce- cea cec cee ceg ceo cep cer cga cgc cge cgg cgo cgp cgr co- coa coc coe cog coo cop cor cpa cpc cpe cpg cpo cpp cpr cra crc cre crg cro crp crr eaa eac eae eag eao eap ear ec- eca ecc ece ecg eco ecr eea eec eee eeg eeo eep eer ega egc ege egg ego egp egr eo- eoa eoc eoe eog eoo eop eor ep- epa epc epe epg epo epp epr era erc ere erg ero erp err g-p gaa gac gae gag gao gap gar gca gcc gce gcg gco gcp gcr ge- gea gec gee geg geo gep ger gga ggc ggg ggo ggp ggr goa goc goe gog goo gop gor gpa gpc gpe gpg gpo gpp gpr gra grc gre grg gro grp grr oaa oac oae oag oao oap oar oc- oca occ ocg oco ocp ocr oea oec oee oeg oeo oep oer oga ogc oge ogg ogo ogp oo- ooa ooc oog ooo oop oor op- opa opc ope opg opo opp opr or- ora orc ore org oro orp orr p-p paa pac pae pag pao pap par pca pcc pce pcg pco pcp pcr pea pec pee peg peo pep per pga pgc pge pgg pgo pgp pgr poa poc poe pog poo pop por ppa ppc ppe ppg ppo ppp ppr pra prc pre prg pro prp prr ra- raa rac rae rag rao rap rar rca rcc rce rcg rco rcp rcr re- rea rec ree reg reo rep rer rga rgc rge rgg rgo rgp rgr roa roc roe rog roo rop ror rpa rpc rpe rpg rpo rpp rpr rra rrc rrg rrp rrr

aaaa aaac aaae aaap aaar aaca aacc aace aaco aacp aacr aaea aaec aaep aage aaoe aaoo aapa aapc aapo aara aarc aare aaro aarp acaa acac acae acag acap acar acca accc acce acco accp ace- acea acec acer acga acgr acoa acoe acog acop acor acpa acpe acpr acr- acra acrc acre acro acrr aeac aeap aeer aega aer- aera aerc aero ag-o agac agag agao agap agar agca agcc agce agco agea agee agep ager agga agge agog agoo agra agre agro agrp aoca aoce aopo aora apac apao apap apar apca apcc apco apcr apea apec apeg apep aper apga apo- apoc apoe apoo apop apor appa appc appr apra aprc apre apro arac arae arag arap arar arc- arca arce arco area arec aree areg areo arep arga arge argo aroa aroe aroo aror arpa arpe arr- arra arrc arre arrg arro arrr caaa caac caap cac- caca cacc cace caco cacr caec caer caga cage cagg cago cagr caor capa capc cape capo capp cara carc care caro carp carr ccaa ccac ccag ccap ccar ccca cccc cccp ccee ccga ccgc ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrg ccrp ceac cear cec- ceca cece ceco cecp ceec cege cego ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cero cerp cgac cgap cgcc cgcg cger cgro coag coca coce coco cocp coep cogo coop copa cope copg copo copp copr cor- cora corc core corg coro corp corr cpaa cpac cpag cpap cpca cpce cpea cpep cper cpga cppa cpre crac crag crap crar crca crcc crce crcr cre- crea crec cree creg creo crep croc croe croo crop cror crpc eaca eacc eaec eaga eage eaop eapc eapp eara eare earo earp ecaa ecac ecao ecar ecca eccc ecce ecco eco- ecog ecop ecpa ecpg ecpp ecra ecrc ecrr eeca eeea eeee eega eeoc eera eerc eerg eero egaa egae egao egar egcc egcg egcr egea egec egee eger egge eggo eggp ego- egor egpa egpe egpo egra egre eora eore epaa epac epcc epec epee eper epoc epor eppa eppc eppo eppp epra epro eprp erap erca ercc erce ercp erec erer erg- erga ergg ergo eroc eroe eroo erpa erpe erra errc erre erro gaap gaar gace gaea gaec gaer gaga gage gagg gago gapa gape gapp gara gare garg garo garp garr gc-c gcaa gcap gccc gcoa gcpc gcrg gear geca gece geep geer gege gegg gego geo- geog gepa gepe gera gere gero gggg ggpo goar goca goce gocr goer goga gogo goog goop goor gopc gope gopo gora gore gorg goro gorp gorr gpaa gpac gpca gper gpgp gpra gprp grac grae grap grcc grce grea grec gree greg grep groc grog groo grop gror grpc grrr o-eo oaer oara oare ocac ocap occa occc oce ocee ocga ocpa ocpp ocra ocre ocro ocrr oec- oeca oecc oeec oepa oera oere ogae ogar ogea ogee oger ogge ogoa ogog ogra ogre ogro ooaa oocr ooer oooo oora oore opap opar opca opec opep oper opo- opor oppa oppo opra orac orae orao orar orca orce orco ore- orea orec oreg oreo orer orga orge orgo oro- oroe oror orpc orpe orra orro paag paap paar paca pace paco paea paec paep paer paga page pago paoc papa pape papg papp papr par- para parc pare parg paro parp parr pcaa pcae pcap pcca pccc pcce pcea pcep pcer pcgg pcoa pcoe pcpp pcra pcrc pcre peac peag peap pear peca pece peco pecr peec peep peer pega pegg pego peor pepa pepe pepo per- pera perc pere perg pero perp perr pgaa pgcc pgce pger pgrc poar poca poce poco poea poer poge pogg pogo poop poor pop- popa popc pope popo popp pora porc pore porg poro porr ppac ppap ppar ppcc pper ppga