a-be a-wa aaaa aaab aaae aaar aaba aabb aabt aabw aaea aage aara aare aart aata aatt aatw aawt aaww abaa abab abae abag abar abat abaw abb- abba abbb abbe abbr abbt abee aber abet abra abta abwa abwe abwr aeer aega aer- aera aeta aetr aett agag agar agat agaw agba agea agee ager aget agga agge agra agre agta agte agtr arab arae arag arar arat araw arba arbe area aree areg aret arew arga argb arge arr- arra arre arrg arrr arrt arta arte artr arwa arwe at-t ataa atab atae atar atat atea atee ater atew atgw atra atre atta atte attr atwa atwt awae awag awar awbe awe- aweb awee awer awet awre awwa baaa baar baat baba babb babe babr baer baga bage bagg bagt bar- bara barb bare barg barr bart bata bate batt baw- bawe bbbb bbeb bbet bbga bbrg bbwr beag bear beat beaw beba bebb bebe beeb beeg beer beet bega begg bera bere berg berr bert beta bete bett betw bewa bewe bgtw brab brae brag brat braw brea breb bree breg brer bret brew brrr brwe btaa btrt bttb bwaa eaba eaga eage eara earb eare eart earw eata eate ebba ebbr ebbw eber eeea eeee eega eera eerg eeta eete egaa egae egar egat egba egbe egea egee eger eggb egge egra egre egta egte erat erba erbb erbe ereb erer eret erew erg- erga ergg erra erre erta erwt etag etat etbr etee eter etra etre etta ette ewer ewew ewre ewte gaar gaba gabb gabe gabr gabt gaea gaer gaga gage gagg gara garb gare garg garr gart garw gata gate gatr gatt gawa gbag gbtw geab gear geat geba gebe geer geet gege gegg gera gerb gere gert geta getb gete getg gett gewe ggbt gggg grab grae grat grbr grea greb gree greg gret grew grrr gtaa gtbr gtea gtta gwar gwtw gwwr raab raag raat raba rabb rabe raeg raer raga rage ragg rara rarb rare rata rate ratt rawa rawe rawr raww rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet rega rege regr regt rera rere rerg rert reta rete retr rett rewa rewe rgba rgbe rgtr rrat rrrr rtee taa- taag taar taat taba tabb tabe taer taga tage tagg tara tarb tare targ tarr tart tata tatb tate tatr tatt tawa tawe tawt taww tbar tbrb tbta tear teat teaw teba teer teet tega tegg tegt ter- tera tere terr teta tete tetr tett tewa traa trab trae trag trat traw tre- trea tree treg tret trew trge trra trte trtr trwe ttab ttbb tter tttt twae twag twat twbt twee twer waaa waag waar waat waaw waba wabb wabe wabg wabr wabt wabw waeb waee waeg waer waet waew waga wage wagg wagr wagt war- wara warb ware warg warr wart warw wata watb wate watg watr watt watw wawa wawb wawe wawt wbaa wbab wbae wbag wbar wbat wbbb wbbe wbbg wbbr wbbt wbbw wbea wbeb wber wbet wbew wbga wbgb wbge wbgg wbgr wbgt wbgw wbrb wbrg wbrr wbrt wbrw wbta wbte wbtg wbtr wbtt wbtw wbwb wbwt weaa weag wear weat webb webe webg webt weeb weeg weer weet wega wegb wege wegg wegr wegw wer- wera werb were werg werr wert werw weta wetb wete wetr wett wewe wgaa wgab wgar wgat wgaw wgbb wgbg wgbr wgbt wgbw wgea wgee wger wget wgga wgge wggg wgra wgrb wgre wgrr wgrt wgrw wgta wgtb wgte wgtr wgtt wgwb wgwe wgwg wgww wraa wrab wrae wrag wrar wrat wraw wrba wrbb wrbe wrbg wrbt wrbw wreb wree wrer wret wrew wrga wrgb wrgr wrgw wrra wrrb wrre wrrw wrta wrtb wrte wrtg wrtr wrtw wrwa wrwb wrwr wtab wtae wtag wtar wtaw wtbb wtbg wtbr wtga wtge wtgg wtgr wtrb wtre wtrg wtrt wtrw wtta wttb wtte wttg wttr wttt wttw wtwa wtwb wtwg wtwr wtwt wtww wwab wwag wwba wwbb wwbg wwbr wwbt wwea wweb wweg wwer wwet wwga wwgb wwge wwgr wwra wwrb wwre wwrr wwrw wwta wwtg wwtr wwtw wwwa wwwe wwwr wwww