a-ak a-be a-wa aaaa aaab aaac aaae aaar aaba aabb aabc aabw aaca aacb aacc aace aack aacr aaea aaec aage aaka aake aara aarc aare aaww abaa abab abac abae abag abak abar abaw abb- abba abbb abbe abbr abca abcb abcc abcr abcw abec abee aber abra abrc abwa abwe abwr acaa acab acac acae acag acar acba acca accc acce ace- acea acec acek acer acga acgr acke ackw acr- acra acrc acre acrr acwa acww aeac aecb aeer aega aeka aer- aera aerc agac agag agar agaw agba agca agcc agce agea agee ager agga agge agra agre akaa akae akar akca akee akeg aker akka akr- akra akre akwa arab arac arae arag arak arar araw arba arbe arc- arca arce area arec aree areg arek arew arga argb arge arka arke arr- arra arrc arre arrg arrk arrr arwa arwe awac awae awag awar awbe awe- aweb awee awer awka awre awwa baaa baak baar baba babb babe babr bac- baca bacc bace back baek baer baga bage bagg bak- baka bake bakr bar- bara barb barc bare barg bark barr baw- bawe bawk bbbb bbeb bbga bbrc bbrg bbwc bbwr bcaa bcar bcbc bcbg bcca bccc bcec bcer bcra beag beak bear beaw beba bebb bebe beca beck beeb beeg beek beer bega begg beka beke bera berc bere berg berk berr bewa bewe bgca brab brac brae brag brak braw brca brcb brce brcw brea breb brec bree breg brek brer brew brka brkb brrr brwe bwaa caaa caab caac caba cabe cabg cac- caca cacc cace cack cacr cacw caec caer caga cage cagg cagr caka cake cara carb carc care cark carr cawk cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbga cbgb cbka cbkg cbkr cbre cbwa ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc ccee ccga ccgc cckw ccra ccrc ccre ccrg ceac cear ceba cec- ceca cece ceeb ceec cege ceke cer- cera cerc cere cewa cewe cgac cgcc cgcg cger cgwa ckac ckbc ckbe ckck ckcw cker ckga ckrc ckrw ckwr ckww crab crac crag crar craw crbc crca crcc crce crcr cre- crea creb crec cree creg crew crkc cwac cweb cwer cwrw eaba eaca eacc eaec eaga eage eara earb eare earw ebac ebba ebbc ebbr ebbw ebcc eber ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecka ecra ecrc ecrr ecwa eeca eeea eeee eega eeka eeke eera eerc eerg egaa egae egar egba egbe egcc egcg egcr egea egec egee eger eggb egge egra egre eka- ekab ekeb ekek eker ekka ekwe erba erbb erbe erca ercc erce ereb erec erer erew erg- erga ergg erke erra errc erre ewer ewew ewre gaar gaba gabb gabe gabr gace gack gaea gaec gaer gaga gage gagg gara garb gare garg garr garw gawa gawk gbag gc-c gcaa gcbc gccc gcrg geab gear geba gebe geca gece geck geek geer gege gegg gera gerb gere gewe gggg grab grac grae grbr grcc grce grea greb grec gree greg grew grrr gwar gwcc gwwr kaaa kaab kaag kaak kaar kaba kabb kabc kabe kabg kabr kabw kacb kacc kace kacw kaer kag- kaga kagb kagc kage kagg kagr kaka kakc kake kakk kara karb kare karg kark karr karw kaw- kawa kawc kawe kawk kaww kbaa kbab kbac kbae kbak kbar kbba kbbb kbbc kbbe kbbg kbbk kbbr kbbw kbca kbcb kbce kbck kbcr kbcw kbeb kbec kbee kbek kber kbew kbga kbgb kbge kbgg kbgr kbkb kbkg kbkk kbkr kbkw kbra kbrb kbrc kbre kbrg kbrk kbrw kbwa kbwb kbwc kbwg kbww kcaa kcab kcac kcar kcaw kcba kcbc kcbk kcbr kcbw kcca kccb kccc kcck kccr kcea kceb kcec kcee kceg kcgc kcgr kckc kckk kckr kcrc kcrg kcrr kcrw kcwa kcwb kcwc kcwe kcwk kcwr kea- keag keak kear keba kebb kebc kebe kebr keca kecg keck kecr keek keer kega kege kegg kegk kegr keka kekb kekc keke ker- kera kerb kerc kere kerk kerr kewa kewb kewe kewr kgab kgac kgak kgba kgbb kgbc kgbr kgcb kgcc kgce kgcr kgcw kgeb kgec kgga kggg kggr kgra kgrb kgrc kgre kgrg kgrk kgrr kgrw kgwa kgwb kkaa kkac kkag kkar kkaw kkba kkbb kkbe kkbg kkbr kkcb kkck kkcr kkcw kkea kkeg kkgb kkgr kkkk kkrb kkrc kkre kkrk kkrr kkwb kkwe kkwk krab krac krae krag krak krar kraw krba krbb krbe krbg krbk krbr krbw krca krcb krcc krce krcg krcw krea kreb krec kree krek krew krka krkc krke krkk krkr krkw krrb krrc krre krrg krrk krrr krrw krwa krwb krwc krwg krwk krwr kwab kwac kwak kwar kwaw kwbc kwbe kwbg kwbw kwca kwck kwcr kweb kwee kwgb kwka kwkb kwkc kwkk kwkr kwkw kwrb kwre kwrk kwrr kwrw kwwk kwwr raab raag raak raba rabb rabe rabk rac- raca racc race rack raec raeg raer raga rage ragg raka rake rakk rara rarb rare rark rawa rawe rawk rawr raww rbbb rbbr rcac rcbc rccb rccc rcga rcgc rcrg rea- reac reae reak rear reba rebb rebe rebk reca recc rece reck recr reeb reek rega rege regr reka reke rera rere rerg rewa rewe rgba rgbe rrrr waaa waac waag waar waaw waba wabb wabc wabe wabg wabk wabr wabw waca wacb wacc wace wack waeb waec waee waeg waer waew waga wagc wage wagg wagr waka wakb wake wakg wakk wakr wakw war- wara warb warc ware warg wark warr warw wawa wawb wawc wawe wawk wbaa wbab wbac wbae wbag wbak wbar wbbb wbbe wbbg wbbk wbbr wbbw wbca wbcb wbce wbcg wbck wbcr wbcw wbea wbeb wbec wbek wber wbew wbga wbgb wbgc wbge wbgg wbgk wbgr wbgw wbka wbkb wbke wbkg wbkk wbkr wbkw wbrb wbrc wbrg wbrk wbrr wbrw wbwb wbwc wcab wcae wcar wcba wcbc wcbe wcbg wcbr wcbw wcca wccb wccc wcce wccg wcck wccr wccw wceb wcec wcee wcer wcga wcgb wcgc wcgr wcgw wcka wckb wckg wckk wckr wckw