a-be a-ii aaaa aaab aaae aaaf aaai aaap aaar aaba aabb aabi aabp aabt aaea aaep aafa aafb aaff aafi aaib aaii aapa aapi aapt aara aare aari aarp aart aata aatf aatt abaa abab abae abaf abai abap abar abat abb- abba abbb abbe abbi abbr abbt abee aber abet abff abia abib abie abir abit abpa abpi abpp abpr abra abri abta aeaf aeap aebi aeer aeit aer- aera aeri aeta aetf aetr aett afaa afap afar afat afee afer afet affa affi afft afia afib afif afir afit afpa afpe afr- afra afre afri afta afte aftp aiai aiba aiea aiee aiet aiff aiia aiib aiir aipa aipe aipf aipi aira aire airi airp airt aita aite aitf aiti aitr aitt apai apap apar apat apba apbr apea apep aper apet apfa apft api- apia apie apip apit appa appr appt apra apre apri aprt apta apte apti aptt arab arae araf arai arap arar arat arba arbe arbi area aree aref arei arep aret arfa arfb arff arft aria arib arie arif arii arip arit arpa arpe arpi arr- arra arre arri arrr arrt arta arte arti artr at-t ataa atab atae atai atap atar atat atea atee atef atei atep ater atfb atfe atia atie atif atip atit atpr atra atre atri atrp atta atte atti attp attr ba-i baaa baaf baar baat baba babb babe babi babr baer baff baft baia baib baie bair bait bapa bape bapi bapp bapt bar- bara barb bare barf bari barr bart bata bate batf bati batt bbbb bbeb bbet bbpr beaf beap bear beat beba bebb bebe bebi beeb beef beep beer beet befa befe beff beft beia beir beit bera bere beri berr bert beta bete beti bett bfpp bfta bftt biaf biap biar biat biba bibb bibe bibi bieb bief bier biet bifa biff bifi bipa bipp bira birb bire biri birr birt bita bite bitt bpai bpea bptf bpti brab brae braf brai brat brea breb bree bref brei brep brer bret bria brie brit brrr btaa btaf btbp btie btrt bttb eaaf eaba eafb eaif eapp eara earb eare earp eart eata eate eati ebba ebbr eber ebit eeea eeee eefa eefe eera eeta eete efab efbr efet effa effi efit efpa eft- efta eftp eiei eier eipr eira eire eita eitb eiti eitr epaa epee eper epfa epi- epia epie epip epit eppa eppp epra eprb eprp epta epte eraf erap erat erba erbb erbe ereb erei erer eret erft eria erie erit erpa erpe erra erre erta etai etap etat etbr etee eter etfa etfb etfe etra etre etta ette etti faaa faap faba fabe fabi faeb fafa fafe faff fafi faie fair fait fapa fape fapp fara farb fare farp farr fart fata fate fatf fati fatt fbar feaf feap fear feat feba feeb feer feet fefe feff fefi feia feie feir feit fepa fera ferb fere ferr fert feta fete feti fetp fetr fett ffar ffee ffff ffii ffrr fftf fiaa fiaf fiap fiar fiat fiba fibe fibp fief fier fifa fife fiff fifi fift fiii fipa fipp fira fire fita fite fiti fitt fpaa fpra fprf frab frae frap frat frea free frei frep fret fria frib frie frip frit frta ftea fter ftii ftpe i-be iaaa iaai iaap iaat iaba iaea iaep iafe iaff iafp iaia iapa iapf iapp iapt iara iare iart iata iate iati ibar ibat ibea ibet ibfi ibia ibie ibra ibri ibtb ieat ieet ieie iepa iera iere ieri ieta ietf iett ifaa ifae ifar ifat ifbb ifer ifit ifpa ifra ifrb ifrf ifri ifta iifa iiie iiii iiit iipa iipf iira iita iitr iitt ipaf ipat ipba ipea iper ipet ipie ippa ippf ippr ipri ipta irae iraf irai irap irar irbe irbp iree irer irfe iri- iria irie irip irpa irpe irra irre irri irta irte irtf irti irtp itaa itaf itai itap itar itat itbe itea itep iter itet itfa itia itie itif itpa itra itrf itri itta ittf paap paar paat paba pabt paea paep paer pafa pafe paff paia paib paie paip pair pait papa papb pape papi papp papr par- para pare parf pari parp parr part pata pate pati patr patt pbar pbpa pbrf peab peai peap pear peat peba peep peer peet peff peia peip peir peit pepa pepe pepi per- pera pere perf peri perp perr pert peta pete peti petr pett pfaa pfet pfff pffr pfft pfit pfra pfte piaf piai piat pibb pibi piea piep pier piet pifa piff piia piip pipa pipe pipi pipp pira pire piri pirr pita pite pitf piti pitr pitt ppap ppar pper ppfa ppib ppie ppif pppa pppp pprf ppta pptt prae prai prar prat pre- preb pree pref prep pret pri- pria prie prif prii prri prti prtp prtr ptab ptaf pter ptrf raab raaf raat raba rabb rabe rabi raef raep raer rafa rafe raff rafi raft raia raie raif raii raip rair rait rapa rape rapi rapp rapt rara rarb rare rarf rari rata rate ratf rati ratp ratt rbaf rbbb rbbr rea- reae reaf reap rear reat reba rebb rebe reeb reef reep reet refe reff refi refr reft reia reif reii reir reit repe repi repp repr rept rera rere reri rert reta rete reti retr rett rfae rfef riaa riab riai riat rib- riba ribe rief riep rier riet rifa rife riff rift riia riif ripa ripe ripi ripp ripr ript rire riri rita rite riti ritt rpet rpii rpta rrat rrif rrrr rtai rtbf rtee rtei rtfb rtpa rttp taa- taaf taar taat taba tabb tabe tabi taer tafa tafe taff tafi taft taia taip tair tait tapa tape tapi tapp tapr tapt tara tarb tare tarf tari tarp tarr tart tata tatb tate tati tatr tatt tbaf tbar tbit tbrb tbta tbtp tear teat teba teef teer teet teff tefi teft teia teie teip teir tepa tepe tepi tepp ter- tera tere terf teri terp terr teta tete