a-be a-ii aaaa aaab aaae aaai aaap aaar aaba aabb aabi aabp aabt aaea aaep aaib aaii aaoe aaoo aapa aapi aapo aapt aara aare aari aaro aarp aart aata aatt abaa abab abae abai abap abar abat abb- abba abbb abbe abbi abbo abbr abbt abee aber abet abia abib abie abir abit aboa abob aboo abor abot abpa abpi abpp abpr abra abri abro abta aeap aebi aeer aeio aeit aer- aera aeri aero aeta aeto aetr aett aiai aiba aibo aiea aiee aiet aiia aiib aiir aioi aipa aipe aipi aira aire airi airo airp airt aita aite aiti aitr aitt aoba aopo aora aorb aort apai apao apap apar apat apba apbr apea apep aper apet api- apia apie apio apip apit apo- apoe apoo apop apor apot appa appr appt apra apre apri apro aprt apta apte apti aptt arab arae arai arap arar arat arba arbe arbi area aree arei areo arep aret aria arib arie arii ario arip arit aroa arob aroe aroi aroo aror arpa arpe arpi arr- arra arre arri arro arrr arrt arta arte arti arto artr at-t ataa atab atae atai atap atar atat atea atee atei ateo atep ater atia atie atip atit atob atoe atoi atop ator atot atpr atra atre atri atro atrp atta atte atti atto attp attr ba-i baaa baar baat baba babb babe babi babo babr baer baia baib baie baio bair bait bapa bape bapi bapp bapt bar- bara barb bare bari baro barr bart bata bate bati bato batt bbbb bbeb bbet bbpr beap bear beat beba bebb bebe bebi bebo beeb beep beer beet beia beir beit beo- beor beot bepo bera bere beri bero berr bert beta bete beti beto bett biao biap biar biat biba bibb bibe bibi bibo bieb bier biet bio- bioi biot bipa bipp bira birb bire biri biro birr birt bita bite bito bitt boab boai boar boat boba bobb bobe bobi bobo boea boee boeo boep boer boet boi- boie boii boit boob booe boop boor boot bopa bope bopp bor- bora bore bori boro borr bort bota botb bote boti boto bott bpai bpea bpoe bpot bpti brab brae brai brao brat brea breb bree brei breo brep brer bret bria brie brio brit broa brob broe broo bror brot brrr btaa btbp btie btob btor btrt bttb eaba eaop eapp eara earb eare earo earp eart eata eate eati ebba ebbo ebbr eber ebit eboe eboo ebor ebpo ebro eeea eeee eera eero eeta eete eiao eiei eier eipo eipr eira eire eita eitb eiti eito eitr eoir eora eore eori eota eoto epaa epee eper epi- epia epie epip epit epor epot eppa eppo eppp epra eprb epro eprp epta epte erap erat erba erbb erbe ereb erei erer eret eria erie erio erit erob eroe eroi eroo erpa erpe erra erre erro erta etai etap etat etbr etee eter etio etoe etra etre etro etta ette etti etto i-be iaaa iaai iaap iaat iaba iaea iaep iaia iapa iapp iapt iara iare iart iata iate iati ibar ibat ibea ibet ibia ibie ibot ibra ibri ibro ibtb ieat ieet ieie ieio iepa iera iere ieri ieta iett iiie iiii iiio iiit iioi iioo iiop iipa iira iita iitr iitt ioba iobi ioee ioii ioio ioit iooi iooo iora iore iori iota iote ioto ipat ipba ipea iper ipet ipie ipoe ipop ippa ippo ippr ipri ipta ipto irae irai irao irap irar irbe irbp iree irer iri- iria irie irio irip irob irop irpa irpe irra irre irri irta irte irti irtp itaa itai itap itar itat itbe itea itep iter itet itia itie itoi itoo itor itpa itra itri itta itto o-eo oaer oapi oara oare oate obai obba obbo obea ober obet obia obie obit oboe oboi obor obot obra obre obri obro oepa oera oere oeta oeti oiba oier oiii oira oire oirt oita oiti ooaa ooba oobe oobi ooer ooia oooo oora oore oort ootb ootp opap opar opei opep oper opet opia opie opii opio opit opo- opor oppa oppi oppo opra opti opto orab orae orai orao orar orat orba orbb orbe orbi orbo ore- orea oreb oreo orer ori- oria orie orio orit oro- oroe oror orot orpe orpi orra orri orro orta orte orto otap otar otea otee otep oter otit oto- otoe otoo otor otpp otra otre otro otta otte otti otto paap paar paat paba pabt paea paep paer paia paib paie paio paip pair pait papa papb pape papi papp papr par- para pare pari paro parp parr part pata pate pati pato patr patt pbar pbpa peab peai peap pear peat peba peep peer peet peia peio peip peir peit peor pepa pepe pepi pepo per- pera pere peri pero perp perr pert peta pete peti peto petr pett piai piao piat pibb pibi piea piep pier piet piia piip piob piot pipa pipe pipi pipo pipp pira pire piri piro pirr pita pite piti pito pitr pitt poar poat poba pobo poea poer poet poia poio poop poor poot pop- popa pope popi popo popp popt pora porb pore pori poro porr port pota pote poti poto pott ppap ppar pper ppib ppie ppoa pppa pppo pppp ppta pptt prae prai prao prar prat pre- preb pree prep pret pri- pria prie prii pro- proa prob proe proo prop prot prri prti prtp prtr ptab pter ptop raab raat raba rabb rabe rabi rabo raep raer raia raie raii raip rair rait raob raop rapa rape rapi rapp rapt rara rarb rare rari raro rata rate rati rato ratp ratt rbbb rbbr rea- reae reao reap rear reat reba rebb rebe rebo reeb reep reet reia reii reir reit reop reot repe repi repo repp repr rept rera rere reri rero rert reta rete reti reto retr rett riaa riab riai riat rib- riba ribe ribo riep rier riet riia riot ripa ripe ripi ripp ripr