a-be a-ii aaaa aaab aaae aaaf aaai aaap aaar aaba aabb aabi aabp aabt aaea aaep aafa aafb aaff aafi aaib aaii aaoe aaoo aapa aapi aapo aapt aara aare aari aaro aarp aart aata aatf aatt abaa abab abae abaf abai abap abar abat abb- abba abbb abbe abbi abbo abbr abbt abee aber abet abff abia abib abie abir abit aboa abob abof aboo abor abot abpa abpi abpp abpr abra abri abro abta aeaf aeap aebi aeer aeio aeit aer- aera aeri aero aeta aetf aeto aetr aett afaa afao afap afar afat afee afer afet affa affi affo afft afia afib afif afir afit afoa afoe afoo afor afpa afpe afr- afra afre afri afro afta afte aftp aiai aiba aibo aiea aiee aiet aiff aiia aiib aiir aioi aipa aipe aipf aipi aira aire airi airo airp airt aita aite aitf aiti aitr aitt aoba aopo aora aorb aort aotf apai apao apap apar apat apba apbr apea apep aper apet apfa apfo apft api- apia apie apio apip apit apo- apoe apof apoo apop apor apot appa appr appt apra apre apri apro aprt apta apte apti aptt arab arae araf arai arap arar arat arba arbe arbi area aree aref arei areo arep aret arfa arfb arff arft aria arib arie arif 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 atef atei ateo atep ater atfb atfe atia atie atif atip atit atob atoe atof atoi atop ator atot atpr atra atre atri atro atrp atta atte atti atto attp attr ba-i baaa baaf baar baat baba babb babe babi babo babr baer baff bafo baft baia baib baie baio bair bait bapa bape bapi bapp bapt bar- bara barb bare barf bari baro barr bart bata bate batf bati bato batt bbbb bbeb bbet bbpr beaf beap bear beat beba bebb bebe bebi bebo beeb beef beep beer beet befa befe beff befo beft beia beir beit beo- beof beor beot bepo bera bere beri bero berr bert beta bete beti beto bett bfpo bfpp bfta bftt biaf biao biap biar biat biba bibb bibe bibi bibo bieb bief bier biet bifa biff bifi 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 boef boeo boep boer boet bofa bofe boff boi- boie boii boit boob booe boof boop boor boot bopa bope bopp bor- bora bore borf bori boro borr bort bota botb bote boti boto bott bpai bpea bpoe bpot bptf bpti brab brae braf brai brao brat brea breb bree bref brei breo brep brer bret bria brie brio brit broa brob broe broo bror brot brrr btaa btaf btbp btie btob btor btrt bttb eaaf eaba eafb eaif eaop eapp eara earb eare earo earp eart eata eate eati ebba ebbo ebbr eber ebit eboe eboo ebor ebpo ebro eeea eeee eefa eefe eera eero eeta eete efab efbr efeo efet effa effi efit efor efpa eft- efta eftp eiao eiei eier eipo eipr eira eire eita eitb eiti eito eitr eoir eora eore eori eota eoto epaa epee eper epfa epi- epia epie epip epit epor epot eppa eppo eppp epra eprb epro eprp epta epte eraf erap erat erba erbb erbe ereb erei erer eret erft eria erie erio erit erob eroe eroi eroo erpa erpe erra erre erro erta etai etap etat etbr etee eter etfa etfb etfe etio etoe etra etre etro etta ette etti etto faaa faap faba fabe fabi fabo faeb fafa fafe faff fafi fafo faie faio fair fait fapa fape fapp fara farb fare faro farp farr fart fata fate fatf fati fato fatt fbar fbop feaf feap fear feat feba febo feeb feer feet fefe feff fefi fefo feia feie feio feir feit feof fepa fera ferb fere fero 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 fifo fift fiii fioe fior fipa fipp fira fire fita fite fiti fitt foaf foar foba fobt foer fofo foia foie foof foot fopp for- fora forb fore fori foro forr fort fota fote foti foto fotp fott fpaa fpra fprf frab frae frap frat frea free frei freo frep fret fria frib frie frio frip frit frob froe frop frot frta ftea fter ftii ftop 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 ibot ibra ibri ibro ibtb ieat ieet ieie ieio iepa iera iere ieri ieta ietf iett ifaa ifae ifao ifar ifat ifbb ifer ifit ifor ifpa ifpo ifra ifrb ifrf ifri ifta ifto iifa iiie iiii iiio iiit iioi iioo iiop iipa iipf iira iita iitr iitt ioba iobi ioee ioii ioio ioit ioof iooi iooo iora iore iori iota iote iotf ioto ipaf ipat ipba ipea iper ipet ipie ipoe ipop ippa ippf ippo ippr ipri ipta ipto irae iraf irai irao irap irar irbe irbp iree irer irfe iri- iria irie irio irip irob irop 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 itof itoi itoo itor itpa itra itrf itri itta ittf itto o-eo oaer oafo 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 ofer off- offa offe offo offr ofit ofor ofra ofre ofta oftp oiba oier oiii oira oire oirt oita oiti ooaa ooba oobe oobi ooer ooff ooia oooo oora oore oort ootb ootp opap opar opei opep oper opet