-er a-a a-c aaa aac aae aaf aag aao aap aar ac- aca acc ace acf acg aco acp acr aea aec aee aef aeg aeo aep aer af- afa afc afe aff afg afo afp afr ag- aga agc age agf agg ago agp agr aoa aoc aoe aof aog aoo aop aor ap- apa apc ape apf apg apo app apr ar- ara arc are arf arg aro arp arr c-- caa cac cae caf cag cao cap car cca ccc cce ccf ccg cco ccp ccr ce- cea cec cee cef ceg ceo cep cer cfa cfc cfe cff cfg cfo cfp cfr cga cgc cge cgg cgo cgp cgr co- coa coc coe cof cog coo cop cor cpa cpc cpe cpf cpg cpo cpp cpr cra crc cre crf crg cro crp crr eaa eac eae eaf eag eao eap ear ec- eca ecc ece ecf ecg eco ecr eea eec eee eef eeg eeo eep eer ef- efa efc efe eff efg efo efp efr ega egc ege egf egg ego egp egr eo- eoa eoc eoe eof eog eoo eop eor ep- epa epc epe epf epg epo epp epr era erc ere erf erg ero erp err faa fac fae faf fag fao fap far fca fcc fce fcf fcg fco fcp fcr fea fec fee fef feg feo fep fer ffa ffc ffe fff ffg ffo ffp ffr fga fgc fge fgf fgg fgp fgr foa foc foe fof fog foo fop for fpa fpc fpe fpg fpo fpp fpr fra frc fre frf frg fro frp frr g-p gaa gac gae gaf gag gao gap gar gca gcc gce gcf gcg gco gcp gcr ge- gea gec gee gef geg geo gep ger gfa gfc gfe gff gfo gfp gfr gga ggc ggg ggo ggp ggr goa goc goe gof gog goo gop gor gpa gpc gpe gpf gpg gpo gpp gpr gra grc gre grf grg gro grp grr oaa oac oae oaf oag oao oap oar oc- oca occ ocf ocg oco ocp ocr oea oec oee oef oeg oeo oep oer of- ofa ofc ofe off ofg ofo ofp ofr oga ogc oge ogf ogg ogo ogp oo- ooa ooc oof oog ooo oop oor op- opa opc ope opf opg opo opp opr or- ora orc ore orf org oro orp orr p-p paa pac pae paf pag pao pap par pca pcc pce pcf pcg pco pcp pcr pea pec pee pef peg peo pep per pfa pfc pfe pff pfg pfo pfp pfr pga pgc pge pgf pgg pgo pgp pgr poa poc poe pof pog poo pop por ppa ppc ppe ppf ppg ppo ppp ppr pra prc pre prf prg pro prp prr ra- raa rac rae raf rag rao rap rar rca rcc rce rcf rcg rco rcp rcr re- rea rec ree ref reg reo rep rer rfa rfc rfe rff rfg rfo rfp rfr rga rgc rge rgf rgg rgo rgp rgr roa roc roe rof rog roo rop ror rpa rpc rpe rpf rpg rpo rpp rpr rra rrc rrf rrg rrp rrr

aaaa aaac aaae aaaf aaap aaar aaca aacc aace aacf aaco aacp aacr aaea aaec aaep aafa aafc aaff aage aaoe aaoo aapa aapc aapo aara aarc aare aaro aarp acaa acac acae acag acap acar acca accc acce accf acco accp ace- acea acec acer acfc acfe acga acgr acoa acoe acog acop acor acpa acpe acpr acr- acra acrc acre acro acrr aeac aeaf aeap aeer aega aer- aera aerc aero afaa afao afap afar afca afcc afee afer affa affc affo afgf afoa afoe afog afoo afor afpa afpc afpe afr- afra afrc afre afro ag-o agac agag agao agap agar agca agcc agce agco agea agee agep ager agfa 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 apfa apfc apfo apga apo- apoc apoe apof apoo apop apor appa appc appr apra aprc apre apro arac arae araf arag arap arar arc- arca arce arco area arec aree aref areg areo arep arfa arfc arff arga arge argo aroa aroe aroo aror arpa arpe arr- arra arrc arre arrg arro arrr caaa caac caaf caap cac- caca cacc cace caco cacr caec caer cafa cafc cafe caff caga cage cagg cago cagr caor capa capc cape capo capp cara carc care carf caro carp carr ccaa ccac ccaf ccag ccap ccar ccca cccc cccf cccp ccee ccfa ccfc ccff ccga ccgc ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrf ccrg ccrp ceac cear cec- ceca cece ceco cecp ceec cef- cefa cefc cege cego ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cerf cero cerp cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfgo cfoa cfor cfpa cfpo cfpr cfra cfre cfrg cfrp cgac cgap cgcc cgcg cger cgfc cgro coag coca coce coco cocp coep cofc cofe coff cogo coof coop copa cope copg copo copp copr cor- cora corc core corf corg coro corp corr cpaa cpac cpaf cpag cpap cpca cpce cpea cpep cper cpff cpga cppa cpre crac craf crag crap crar crca crcc crce crcr cre- crea crec cree creg creo crep crfc croc croe croo crop cror crpc eaaf eaca eacc eaec eaga eage eaop eapc eapp eara eare earo earp ecaa ecac ecao ecar ecca eccc ecce ecco ecef ecfa ecfc ecfr eco- ecog ecop ecpa ecpg ecpp ecra ecrc ecrf ecrr eeca eeea eeee eefa eefe eega eeoc eera eerc eerg eero ef-g efca efco efeo effa efgp efor efpa egaa egae egao egar egcc egcg egcr egea egec egee eger egfp egfr egge eggo eggp ego- egor egpa egpe egpo egra egre eora eore epaa epac epcc epec epee eper epfa epfc epoc epor eppa eppc eppo eppp epra epro eprp eraf erap erca ercc erce ercp erec erer