a-be a-ii aaaa aaab aaac aaae aaai aaap aaar aaba aabb aabc aabi aabp aabt aaca aacb aacc aace aaci aacp aacr aact aaea aaec aaep aaib aaic aaii aapa aapc aapi aapt aara aarc aare aari aarp aart aata aatc aatt abaa abab abac abae abai abap abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abci abcp abcr abct abec abee aber abet abia abib abic abie abir abit abpa abpc abpi abpp abpr abra abrc abri abta ac-t acaa acab acac acae acai acap acar acat acba acca accc acce acci accp acct ace- acea acec acer acet aci- acia acic acie acip acir acpa acpe acpi acpr acpt acr- acra acrc acre acri acrr acta actc acte acti actt aeac aeap aebi aecb aeci aect aeer aeit aer- aera aerc aeri aeta aetc aetr aett aiai aiba aica aicc aice aicp aicr aiea aiee aiet aiia aiib aiic aiir aipa aipe aipi aira aire airi airp airt aita aite aiti aitr aitt apac apai apap apar apat apba apbr apca apcb apcc apcr apea apec apep aper apet api- apia apic apie apip apit appa appc appr appt apra aprc apre apri aprt apta aptc apte apti aptt arab arac arae arai arap arar arat arba arbe arbi arc- arca arce arci arct area arec aree arei arep aret aria arib arie arii arip arit arpa arpe arpi arr- arra arrc arre arri arrr arrt arta artc arte arti artr at-t ataa atab atac atae atai atap atar atat atca atcc atcr atea atec atee atei atep ater atia atic atie atip atit atpr atra atrc atre atri atrp atta atte atti attp attr ba-i baaa baar baat baba babb babe babi babr bac- baca bacc bace baci bact baer baia baib baic baie bair bait bapa bapc bape bapi bapp bapt bar- bara barb barc bare bari barr bart bata batc bate bati batt bbbb bbci bbeb bbet bbpr bbrc bcaa bcap bcar bcat bcbc bcbp bcca bccc bcci bcec bcer bcet bcia bcie bcit bcpp bcra bctc beap bear beat beba bebb bebe bebi beca beci beeb beep beer beet beia beic beir beit bera berc bere beri berr bert beta betc bete beti bett biap biar biat biba bibb bibe bibi bica bicc bice bici bieb bier biet bipa bipp bira birb bire biri birr birt bita bitc bite bitt bpai bpcp bpea bprc bpti brab brac brae brai brat brca brcb brce brea breb brec bree brei brep brer bret bria bric brie brit brrr brtc btaa btbp btcc btec btie btrc btrt bttb caaa caab caac caap caat caba cabe cabi cac- caca cacc cace caci cacr caec caei caer caia caib caic caip cair cait capa capb capc cape capi capp capt cara carb carc care cari carp carr cart cat- cata catb catc cate cati catt cbac cbar cbat cbbc cbca cbcc cbce cbcp cbcr cbct cbea cbec cbee cber cbet cbia cbir cbit cbpc cbpp cbre cbrt cbta cbtc ccaa ccab ccac ccai ccap ccar ccat ccba ccbc ccca cccb cccc ccci cccp ccee ccic ccii ccip ccir ccpa ccpe ccpp ccpr ccra ccrc ccre ccri ccrp ccrt cctb cctc cctt ceac cear ceat ceba cebp cec- ceca cece ceci cecp cect ceeb ceec ceip cepa cepc cepe cepp cepr cept cer- cera cerc cere ceri cerp cert cet- ceta cete ceti cetp ciaa ciar ciat ciba cibc cibe cibi cica cicc cici cicr cict ciee cier ciia ciii ciit cipa cipp cira cirb circ cire ciri cirr cirt cita citb cite citi citp citt cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cpia cpic cppa cpre cpri cprt cptp cptr crab crac crai crap crar crat crbc crca crcc crce crcr cre- crea creb crec cree crei crep cret cria crib cric crie crip crit crpc crrt crtc crtp ctab ctae ctba ctbi ctca ctcp ctec ctep ctia ctic ctpp ctrc ctrp ctta eaba eaca eacc eaec eapc eapp eara earb eare earp eart eata eate eati ebac ebba ebbc ebbr ebcc eber ebic ebit ecaa ecac ecai ecar ecat ecbc ecbe ecca eccb eccc ecce ecci ecct ecib ecip ecit ecpa ecpp ecra ecrc ecri ecrr ect- ecta ectc eeca eeea eeee eera eerc eeta eetc eete eica eiec eiei eier eipr eira eire eita eitb eitc eiti eitr epaa epac epcc epci epec epee eper epi- epia epic epie epip epit eppa eppc eppp epra eprb eprp epta epte erap erat erba erbb erbe erca ercc erce ercp ereb erec erei erer eret eria eric erie erit erpa erpe erra errc erre erta etai etap etat etbc etbr etcc etec etee eter etic etra etre etta ette etti i-be iaaa iaac iaai iaap iaat iaba iaca iacc iacp iacr iact iaea iaec iaep iaia iapa iapp iapt iara iarc iare iart iata iatc iate iati ibac ibar ibat ibca ibea ibec ibet ibia ibie ibra ibrc ibri ibtb ibtc icaa icab icac icai icap icar icat icbc icbp icca iccb iccc icci iccp iccr icct icea icec icee icer icet icpa icpc icra icrc icre icrr icrt icta ictp ieac ieat iecc ieet ieie iepa iera iere ieri ieta iett iiac iica iiie iiii iiit iipa iira iirc iita iitr iitt ipac ipat ipba ipca ipcc ipce ipct ipea ipec iper ipet ipie ippa ippc ippr ipri ipta iptc irac irae irai irap irar irbe irbp irca ircc iree irer iri- iria iric irie irip irpa irpc irpe irra irrc irre irri irta irte irti irtp itaa itac itai itap itar itat itbe itea itec itep iter itet itia itic itie itpa itpc itra itri itta paap paar paat paba pabt paca pace paci pact paea paec paep paer paia paib paie paip pair pait papa papb pape papi papp papr par- para parc pare pari parp parr part pata pate pati patr patt pbac pbar pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcer pcia