a-be a-ii aaaa aaab aaac aaae aaai aaap aaar aaba aabb aabc aabi aabp aaca aacb aacc aace aaci aacp aacr aaea aaec aaep aage aaib aaic aaii aapa aapc aapi aara aarc aare aari aarp abaa abab abac abae abag abai abap abar abb- abba abbb abbe abbi abbr abca abcb abcc abci abcp abcr abec abee aber abia abib abic abie abig abir abpa abpc abpi abpp abpr abra abrc abri acaa acab acac acae acag acai acap acar acba acca accc acce acci accp ace- acea acec acer acga acgi acgr aci- acia acic acie acip acir acpa acpe acpi acpr acr- acra acrc acre acri acrr aeac aeap aebi aecb aeci aeer aega aer- aera aerc aeri agac agag agai agap agar agba agca agcc agce agea agee agei agep ager agga agge aggi agia agib agic agie agig agii agip agir agra agre agri agrp aiai aiba aica aicc aice aicp aicr aiea aiee aiga aiia aiib aiic aiir aipa aipe aipi aira aire airi airp apac apai apap apar apba apbg apbr apca apcb apcc apcr apea apec apeg apep aper apga api- apia apic apie apig apip appa appc appr apra aprc apre apri arab arac arae arag arai arap arar arba arbe arbi arc- arca arce arci area arec aree areg arei arep arga argb arge argi aria arib arie arig arii arip arpa arpe arpi arr- arra arrc arre arrg arri arrr ba-i baaa baar baba babb babe babi babr bac- baca bacc bace baci baer baga bage bagg bagi baia baib baic baie baig bair bapa bapc bape bapi bapp bar- bara barb barc bare barg bari barr bbbb bbci bbeb bbga bbpr bbrc bbrg bcaa bcap bcar bcbc bcbg bcbp bcca bccc bcci bcec bcer bcia bcie bcpp bcra beag beap bear beba bebb bebe bebi beca beci beeb beeg beep beer bega begg begi beia beic beir bera berc bere berg beri berr bgca bgia biap biar biba bibb bibe bibi bica bicc bice bicg bici bieb bier biga bigb bigc bige bigg bipa bipp bira birb bire birg biri birr bpai bpcp bpea bprc brab brac brae brag brai brca brcb brce brea breb brec bree breg brei brep brer bria bric brie brig brrr caaa caab caac caap caba cabe cabg cabi cac- caca cacc cace caci cacr caec caei caer caga cage cagg cagi cagr caia caib caic caip cair capa capb capc cape capi capp cara carb carc care cari carp carr cbac cbar cbbc cbca cbcc cbce cbcp cbcr cbea cbec cbee cber cbga cbgb cbia cbir cbpc cbpp cbre ccaa ccab ccac ccag ccai ccap ccar ccba ccbc ccca cccb cccc ccci cccp ccee ccga ccgc ccic ccii ccip ccir ccpa ccpe ccpp ccpr ccra ccrc ccre ccrg ccri ccrp ceac cear ceba cebp cec- ceca cece ceci cecp ceeb ceec cege ceip cepa cepc cepe cepp cepr cer- cera cerc cere ceri cerp cgac cgap cgcc cgcg cger ciaa ciar ciba cibc cibe cibi cica cicc cici cicr ciee cier ciga cigi ciia ciii cipa cipp cira cirb circ cire ciri cirr cpaa cpac cpag cpap cpbc cpca cpce cpea cpeb cpep cper cpga cpgb cpia cpic cppa cpre cpri crab crac crag crai crap crar crbc crca crcc crce crcr cre- crea creb crec cree creg crei crep cria crib cric crie crig crip crpc eaba eaca eacc eaec eaga eage eapc eapp eara earb eare earp ebac ebba ebbc ebbr ebcc eber ebic ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci ecib ecig ecip ecpa ecpg ecpp ecra ecrc ecri ecrr eeca eeea eeee eega eera eerc eerg egaa egae egar egba egbe egcc egcg egcr egea egec egee eger eggb egge eggi eggp egir egpa egpb egpe egpi egra egre egri eica eiec eiei eier eige eigg eipr eira eire epaa epac epcc epci epec epee eper epi- epia epic epie epip eppa eppc eppp epra eprb eprp erap erba erbb erbe erca ercc erce ercp ereb erec erei erer erg- erga ergg ergi eria eric erie erpa erpe erra errc erre gaap gaar gaba gabb gabe gabi gabp gabr gace gaea gaec gaer gaga gage gagg gagi gaia gaie gaig gaip gair gapa gape gapi gapp gara garb gare garg gari garp garr gbag gbap gc-c gcaa gcap gcbc gccc gcic gcii gcpc gcrg geab geai gear geba gebe gebi geca gece geep geer gege gegg geia geic geie geig geir gepa gepe gera gerb gere geri gggg giaa giac giai giap giba gibb gibe gica gicr gier giga gige gigg gigi gipa gipe gipi gipp gira gire girg giri girr gpaa gpac gpca gper gpgp gpip gpra gprp grab grac grae grai grap grbr grcc grce grea greb grec gree greg grep gria grib gric grie grig grip grpc grrr i-be iaaa iaac iaai iaap iaba iaca iacc iacp iacr iaea iaec iaep iaia iapa iapp iara iarc iare ibac ibar ibca ibea ibec ibeg ibga ibge ibia ibie ibra ibrc ibri icaa icab icac icag icai icap icar icbc icbp icca iccb iccc icci iccp iccr icea icec icee icer icga icgc icpa icpc icra icrc icre icrr ieac iecc ieie iepa iera iere ieri igac igar igba igbc igcc igcp igea iger igga igia igpa igra igri iiac iica iiie iiii iipa iira iirc ipac ipba ipca ipcc ipce ipea ipec iper ipie ippa ippc ippr ipri irac irae irai irap irar irbe irbp irca ircc ircg iree irer iri- iria iric irie irig irip irpa irpc irpe irra irrc irre irri paag paap paar paba paca pace paci paea paec paep paer paga pagb page paia paib paie paig paip pair papa papb pape papg papi papp papr par- para parc pare parg pari parp parr pbac pbar pbcc pbgc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcer pcgg pcia pcip pcpb pcpp pcra pcrc pcre peab peac peag peai peap pear peba peca pece peci