a-be a-ii aaaa aaab aaae aaai aaap aaar aaba aabb aabi aabp aabt aaea aaep aaib aaii aapa aapi aapt aara aare aari aarp aart aata aatt abaa abab abae abai abap abar abat abax abb- abba abbb abbe abbi abbr abbt abee aber abet abia abib abie abir abit abpa abpi abpp abpr abra abri abta aeap aebi aeer aeit aer- aera aeri aeta aetr aett aetx aiai aiba aiea aiee aiet aiia aiib aiir aipa aipe aipi aira aire airi airp airt airx aita aite aiti aitr aitt aixa aixi apai apap apar apat apax apba apbr apea apep aper apet apex api- apia apie apip apit apix appa appr appt appx apra apre apri aprt apta apte apti aptt aptx arab arae arai arap arar arat arax arba arbe arbi area aree arei arep aret arex aria arib arie arii arip arit arpa arpe arpi arr- arra arre arri arrr arrt arta arte arti artr artx at-t at-x ataa atab atae atai atap atar atat atax atea atee atei atep ater atex atia atie atip atit atpr atra atre atri atrp atrx atta atte atti attp attr axar axat axer axi- axia axie ba-i ba-x baaa baar baat baba babb babe babi babr baer baia baib baie bair bait baix bapa bape bapi bapp bapt bar- bara barb bare bari barr bart barx bata bate bati batt baxi baxt bbbb bbeb bbet bbpr beap bear beat beba bebb bebe bebi beeb beep beer beet beia beir beit bera bere beri berr bert beta bete beti bett biap biar biat biba bibb bibe bibi bieb bier biet bipa bipp bira birb bire biri birr birt birx bita bite bitt bitx bixa bixi bpai bpea bpti brab brae brai brat brax brea breb bree brei brep brer bret brex bria brie brit brix brrr btaa btbp btex btie btrt bttb eaba eapp eara earb eare earp eart eata eate eati ebba ebbr eber ebit ebix eeea eeee eera eeta eete eext eiei eier eipr eira eire eita eitb eiti eitr epaa epee eper epi- epia epie epip epit epix eppa eppp epra eprb eprp epta epte epxp er-x erap erat erba erbb erbe ereb erei erer eret eria erie erit erpa erpe erra erre erta etai etap etat etbr etee eter etix etra etre etta ette etti exa- exai exer exit expr expt exrx exta exte extr i-be iaaa iaai iaap iaat iaba iaea iaep iaia iapa iapp iapt iapx iara iare iart iata iate iati ibar ibat ibea ibet ibex ibia ibie ibra ibri ibtb ieat ieet ieie iepa iera iere ieri ieta iett iiie iiii iiit iipa iira iita iitr iitt ipat ipba ipea iper ipet ipex ipie ipix ippa ippr ipri ipta ipxe irae irai irap irar irbe irbp iree irer irex iri- iria irie irip irix irpa irpe irra irre irri irta irte irti irtp itaa itai itap itar itat itbe itea itep iter itet itex itia itie itpa itra itri itta ixia ixxi paap paar paat paba pabt pabx paea paep paer paia paib paie paip pair pait paix papa papb pape papi papp papr par- para pare pari parp parr part pata pate pati patr patt paxi pbar pbpa peab peai peap pear peat peax peba peep peer peet peia peip peir peit pepa pepe pepi per- pera pere peri perp perr pert peta pete peti petr pett piai piat pibb pibi piea piep pier piet piia piip pipa pipe pipi pipp pira pire piri pirr pita pite piti pitr pitt pitx pixx ppap ppar pper ppib ppie pppa pppp ppta pptt prae prai prar prat pre- preb pree prep pret prex pri- pria prie prii prix prri prti prtp prtr ptab pter raab raat raba rabb rabe rabi raep raer raia raie raii raip rair rait raix rapa rape rapi rapp rapt rara rarb rare rari rata rate rati ratp ratt raxa raxi rbbb rbbr rea- reae reap rear reat reba rebb rebe reeb reep reet reia reii reir reit repe repi repp repr rept rera rere reri rert reta rete reti retr rett rexx riaa riab riai riat rib- riba ribe riep rier riet riex riia ripa ripe ripi ripp ripr ript rire riri rita rite riti ritt rixe rpet rpii rpix rpta rrat rrrr rtai rtee rtei rtex rtpa rttp taa- taar taat taba tabb tabe tabi taer taia taip tair tait taix tapa tape tapi tapp tapr tapt tara tarb tare tari tarp tarr tart tata tatb tate tati tatr tatt tax- taxa taxe taxi taxt tbar tbit tbrb tbta tbtp tear teat teba teer teet teia teie teip teir tepa tepe tepi tepp ter- tera tere teri terp terr teta tete teti tetr tett tetx texa text tiaa tiab tiar tiax tiba tibi tie- tiea tiee tiei tiep tier tiet tiit tip- tipa tipe tipi tipp tipt tira tirb tire tiri tirr tita tite titi titp titt tixt tpap tper tpia tpir tppa tppp tppr tpte tptp tptr traa trab trae trai trap trat trax tre- trea tree trei tret trex tri- tria trib trie trip trit trix trpa trpe trpp trra trte trtr ttab ttbb tter tttt txaa txii txtr xaar xait xapi xara xare xate xbai xbar xbee xbra xeer xer- xera xert xexe xiap xibe xiii xipe xita xixi xpax xper xpra xrep xtar xtea xtep xtie xtra xxii xxix xxxi xxxx