a-ak a-be a-wa aaaa aaab aaac aaae aaar aaba aabb aabc aabt aabw aaca aacb aacc aace aack aacr aact aaea aaec aaka aake aara aarc aare aart aata aatc aatk aatt aatw aawt aaww abaa abab abac abae abak abar abat abaw abb- abba abbb abbe abbr abbt abca abcb abcc abcr abct abcw abec abee aber abet abra abrc abta abwa abwe abwr ac-t acaa acab acac acae acar acat acba acca accc acce acct ace- acea acec acek acer acet acke ackw acr- acra acrc acre acrr acta actc acte actt acwa acww aeac aecb aect aeer aeka aer- aera aerc aeta aetc aetr aett akaa akae akar akca akee aker akka akr- akra akre akte akwa arab arac arae arak arar arat araw arba arbe arc- arca arce arct area arec aree arek aret arew arka arke arr- arra arrc arre arrk arrr arrt arta artc arte artr arwa arwe at-t ataa atab atac atae atak atar atat atca atcc atck atcr atea atec atee ater atew atka atkt atra atrc atre atrk atta atte attr atwa atwt awac awae awar awbe awe- aweb awee awer awet awka awre awwa baaa baak baar baat baba babb babe babr bac- baca bacc bace back bact baek baer bak- baka bake bakr bakt bar- bara barb barc bare bark barr bart bata batc bate batt baw- bawe bawk bbbb bbeb bbet bbrc bbwc bbwr bcaa bcar bcat bcbc bcca bccc bcec bcer bcet bcra bctc beak bear beat beaw beba bebb bebe beca beck beeb beek beer beet beka beke bera berc bere berk berr bert beta betc bete bett betw bewa bewe brab brac brae brak brat braw brca brcb brce brcw brea breb brec bree brek brer bret brew brka brkb brrr brtc brwe btaa btcc btec btek btrc btrt bttb btwc bwaa caaa caab caac caat caba cabe cac- caca cacc cace cack cacr cacw caec caer caka cake cara carb carc care cark carr cart cat- cata catb catc cate catt catw cawk cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbea cbec cbee cber cbet cbka cbkr cbre cbrt cbta cbtc cbwa ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc ccee cckw ccra ccrc ccre ccrt cctb cctc cctt ceac cear ceat ceba cec- ceca cece cect ceeb ceec ceke cer- cera cerc cere cert cet- ceta cete cewa cewe ckac ckat ckbc ckbe ckck ckcw cker ckrc ckrw cktb ckwr ckww crab crac crar crat craw crbc crca crcc crce crcr cre- crea creb crec cree cret crew crkc crrt crtc ctab ctae ctba ctca ctec ctrc ctta cttw cwac cweb cwer cwrw eaba eaca eacc eaec eara earb eare eart earw eata eate ebac ebba ebbc ebbr ebbw ebcc eber ecaa ecac ecar ecat ecbc ecbe ecca eccb eccc ecce ecct ecka ecra ecrc ecrr ect- ecta ectc ecwa eeca eeea eeee eeka eeke eera eerc eeta eetc eete eka- ekab ekeb ekek eker eket ekka ekta ekwe erat erba erbb erbe erca ercc erce ereb erec erer eret erew erke erra errc erre erta erwt etak etat etbc etbr etcc etec etee eter etka etra etre etta ette ewer ewew ewre ewte kaaa kaab kaak kaar kaat kaba kabb kabc kabe kabr kabw kacb kacc kace kact kacw kaer kaet kaka kakc kake kakk kakt kara karb kare kark karr kart karw kat- kata katb katc kate katk katr katt katw kaw- kawa kawc kawe kawk kaww kbaa kbab kbac kbae kbak kbar kbat kbba kbbb kbbc kbbe kbbk kbbr kbbt kbbw kbca kbcb kbce kbck kbcr kbct kbcw kbeb kbec kbee kbek kber kbet kbew kbkb kbkk kbkr kbkw kbra kbrb kbrc kbre kbrk kbrt kbrw kbta kbtb kbtc kbte kbtk kbtr kbtt kbtw kbwa kbwb kbwc kbww kcaa kcab kcac kcar kcat kcaw kcba kcbc kcbk kcbr kcbw kcca kccb kccc kcck kccr kcct kcea kceb kcec kcee kcet kckc kckk kckr kcrc kcrr kcrt kcrw kcta kctb kctc kcte kcwa kcwb kcwc kcwe kcwk kcwr kcwt kea- keak kear keat keba kebb kebc kebe kebr kebt keca keck kecr keek keer keet keka kekb kekc keke ker- kera kerb kerc kere kerk kerr kert ket- keta ketc kete ketk ketr kett kewa kewb kewe kewr kewt kkaa kkac kkar kkat kkaw kkba kkbb kkbe kkbr kkbt kkcb kkck kkcr kkct kkcw kkea kkkk kkrb kkrc kkre kkrk kkrr kkrt kktc kktk kkwb kkwe kkwk krab krac krae krak krar krat kraw krba krbb krbe krbk krbr krbt krbw krca krcb krcc krce krcw krea kreb krec kree krek kret krew krka krkc krke krkk krkr krkw krrb krrc krre krrk krrr krrt krrw krta krtc krtk krtr krwa krwb krwc krwk krwr ktaa ktae ktak ktar ktat ktba ktbb ktbc ktbr ktbt ktcc ktce ktck ktcr ktea ktec ktee ktek ktkb ktkc ktke ktkk ktkr ktkt ktrb ktrc ktre ktrk ktrr ktrt ktrw kttc kttk kttr kttt kttw ktwa ktwb kwab kwac kwak kwar kwat kwaw kwbc kwbe kwbt kwbw kwca kwck kwcr kweb kwee kwka kwkb kwkc kwkk kwkr kwkw kwrb kwre kwrk kwrr kwrt kwrw kwtr kwtw kwwk kwwr kwwt raab raak raat raba rabb rabe rabk rac- raca racc race rack ract raec raer raka rake rakk rakt rara rarb rare rark rata rate ratk ratt rawa rawe rawk rawr raww rbbb rbbr rcac rcbc rccb rccc rcet rctc rea- reac reae reak rear reat reba rebb rebe rebk reca recc rece reck recr rect reeb reek reet reka reke rekt rera rere rert reta rete retr rett rewa rewe rrat rrrr rtca rtcc rtce rtee taa- taar taat taba tabb tabc tabe taca tacc tace tack tact taec taer taka take takk takt tara tarb tarc tare tark tarr tart tata tatb tate tatr tatt tawa tawe tawk tawt taww tbar tbca tbcb tbcc tbce tbrb tbta tcca tccc tctc teac teak tear teat teaw teba teca teck tecr tect teec teek teer teet teka teke ter- tera terc tere