a-ak a-be aaaa aaab aaac aaad aaae aaba aabb aabc aabd aaca aacb aacc aacd aace aack aacu aada aadc aade aadu aaea aaec aage aaka aake aaku abaa abab abac abad abae abag abaj abak abau abb- abba abbb abbe abca abcb abcc abcd abda abdu abec abed abee abgd abua abud abue abug abuk acaa acab acac acad acae acag acba acca accc accd acce accu acda acdb acdc acde ace- acea acec aced acek acga ackd acke acu- acue adaa adab adac adad adae adag adak adba adbc adcc adda addc addd adde addu adea adeb adee adja adua adub adue aduk aeac aecb aede aega aeka agac agad agag agau agba agca agcc agce agda agde agea aged agee agga agge aggu agua ague ajab ajac ajag ajak ajba ajed ajee ajga ajka ajug akaa akae akca aked akee akeg akeu akka akku akua auaa aube auca auce audc aude auga auge auja auke auug baaa baad baak baba babb babe babu bac- baca bacc bace back bada badb badd bade badu baed baek baga bage bagg baja baju bak- baka bake baku bau- baud baug bauk bbad bbau bbbb bbdd bbeb bbga bcaa bcbc bcbg bcca bccc bcda bcde bcec bcuc bd-j bdbc bddc bead beag beak beau beba bebb bebe beca beck becu beda bede bedu beeb beed beeg beej beek bega begg begu beja beka beke beuk bgca bjcc bjec bkgd buad buba bubb bube bubu buca bucc buce buck bucu buda budb budd bude budg budu buea bueu buga buge bugg buja buje buju buka buke bukk buku c-cd caaa caab caac caba cabe cabg cabu cac- caca cacc cace cack cada cadc cadd cade cadu caec caeu caga cage cagg caja caju caka cake cauc cauk cbac cbbc cbca cbcc cbce cbcu cbdb cbdc cbea cbec cbee cbga cbgb cbka cbkg cbkj ccaa ccab ccac ccad ccag ccba ccbc ccca cccb cccc cccu ccdc cced ccee ccga ccgc ccuc cd-e cdaa cdac cdad cdba cdda cddb cdec ceac cead ceba cebu cec- ceca cece ceda cedd cede cedu ceeb ceec cege ceja cejc ceke cgac cgcc cgcg cged cjad cjbc cjbk cjca cjcb cjcj cjdc cjeu ckac ckbc ckbe ckck ckdu ckga cuau cub- cuba cubb cube cuca cucc cuce cuck cuda cude cued cuek cuga cuju cuk- cuka cuke daab daad daae daag daau daba dabb dabu daca dace dada dade dadu daeb daeu daga dage dagg dagu daja dajc daju daka dake daku daub daud daue dauk dbag dbcc dcbc dcca dccb dccc dccu dcdb dddd ddub deac dead deae deak deau deba debe debu dec- deca decc decd dece decj deck deda dedd dede dedu deeb deed deeg deek dega dege degu deja deje dejk dek- deka deke deua deue deuk dgac dgca dgeg dgge dgka dgkb dgkd dgkg djau djed dkba dkdc duaa duab duad dub- duba dubb dubc dube dubu duca duce duck duda dudd dude dudu duga dugu duka duke duku eaba eaca eacc eada eadb eadd eaec eaga eage ebac ebba ebbc ebcc ebed ecaa ecac ecad ecbc ecbe ecca eccb eccc ecce ecdc eced ecka ecua edac edad edag edca edda eddc edde ede- edea edge educ eeca eede eedu eeea eeee eega eeka eeke egaa egad egae egba egbe egbu egcc egcg egea egec egee eggb egge eka- ekab ekeb eked ekek ekka euba eubc eucd eude euge gaba gabb gabe gabu gace gack gada gadd gade gadk gaea gaec gaed gaga gage gagg gagu gaja gaku gaua gaub gaud gaue gauk gbag gbde gc-c gcaa gcbc gccc gcda gdca gddb geab gead geba gebe geca gece geck geda gedd gede gedu geed geek gege gegg geue gggg guaa guac guag guba gubb gubu guca guck guda gude gudu guga gugb guge gugg gugu guja jaak jaba jaca jacc jace jack jacu jada jade jadu jaga jagg jagu jaja jaju jaka jake jaku jaud jaug jauk jbaa jcbc jccc jcda jebb jebe jeda jeed jega jeju jeke jeuk jjad jjcc juab juba jube jubu juca juce juck jucu juda judd jude judg juga juge jugg jugu juja juju juka juke juku kaaa kaab kaag kaak kaba kabb kabc kabd kabe kabg kabu kacb kacc kacd kace kacu kad- kada kadd kade kadu kag- kaga kagb kagc kage kagg kagj kagu kaja kajb kajc kaje kajk kaju kaka kakc kake kakj kakk kaku kau- kaub kauc kaud kaue kaug kauj kauk kbaa kbab kbac kbad kbae kbak kbba kbbb kbbc kbbd kbbe kbbg kbbk kbbu kbca kbcb kbce kbck kbcu kbdb kbde kbdg kbeb kbec kbed kbee kbek kbga kbgb kbge kbgg kbja kbjc kbjd kbjk kbkb kbkg kbkk kbua kbub kbuc kbud kbue kbuk kbuu kcaa kcab kcac kcad kcau kcba kcbc kcbd kcbk kcbu kcca kccb kccc kccd kcck kccu kcda kcdc kcdd kcdu kcea kceb kcec kced kcee kceg kceu kcgc kcjb kcjc kcjj kcjk kckc kckj kckk kcua kcub kcue kcuk kdaa kdab kdac kdad kdae kdag kdak kdbb kdbg kdca kdcc kdcd kdce kddb kddc kddd kddg kddk kdeb kdec kdge kdje kdka kdkb kdkd kdkk kdub kduc kdug kea- kead keag keak keau keba kebb kebc kebe kebu keca kecg keck keda kedb kedc kedd kede kedg kedj keed keek kega kege kegg kegk kejb kejj keka kekb kekc keke keku keug kgab kgac kgak kgba kgbb kgbc kgcb kgcc kgcd kgce kgdb kgdc kgdd kgeb kgec kged kgga kggg kgua kgud kjaa kjac kjae kjak kjbb kjcb kjcc kjcd kjce kjck kjcu kjee kjjd kjjj kjjk kjke kjkj kjkk kjua kjud kjug kkaa kkac kkag kkba kkbb kkbd kkbe kkbg kkbj kkcb kkcd kkcj kkck kkda kkdc kkdd kkdg kkdj kkea kked kkeg kkgb kkjb kkjd kkjg kkjk kkkj kkkk kkua kkuu kuac kuau kuba kubb kubc kubd kube kubj kubu kuca kucb kucc kucd kuce kuda kudd kude kudu kued kuek kueu kuga kugb kuge kuja kuje kujj kuju kuka kuke kukk kuku kuub kuuk kuuu uabc uaca uaua ubac ubba ubbe ubek ubja ubud