a-ak a-be a-ha aaaa aaab aaac aaad aaae aaah aaar aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aack aacr aada aadc aade aaea aaec aaha aahk aaka aake aara aarc aard aare abaa abab abac abad abae abak abar abb- abba abbb abbe abbr abca abcb abcc abcd abch abcr abda abec abed abee aber abha abhr abra abrc acaa acab acac acad acae acar acba acca accc accd acce acch acda acdb acdc acde ace- acea acec aced aceh acek acer acha ache achh achr ackd acke acr- acra acrc acre acrr adaa adab adac adad adae adah adak adar adba adbc adcc adda addc addd adde addr adea adeb adee adeh ader adha adhd adra adre aeac aecb aede aeer aeka aer- aera aerc aerd ahab ahac ahad ahah ahar ahed ahha ahra ahrc ahre ahrr akaa akae akah akar akca aked akee aker akha akka akr- akra akre arab arac arad arae arah arak arar arba arbe arbh arc- arca arce arch arda ardc arde area arec ared aree areh arek arh- arka arke arkh arr- arra arrc arre arrh arrk arrr baaa baad baah baak baar baba babb babe babr bac- baca bacc bace bach back bada badb badd bade badh badr baed baek baer baha bahr bak- baka bake bakh bakr bar- bara barb barc bard bare barh bark barr bbad bbbb bbch bbdd bbeb bbrc bcaa bcar bcbc bcca bccc bcda bcde bcec bcer bchd bche bcra bd-r bdbc bddc bddh bead beah beak bear beba bebb bebe beca bech beck beda bede beeb beed beek beer behr beka beke bera berc berd bere berk berr bhar bhca bhcc bher bhra brab brac brad brae brah brak brca brcb brce brda brea breb brec bred bree brek brer brka brkb brrr c-cd caaa caab caac caah caba cabe cac- caca cacc cace cach cack cacr cada cadc cadd cade cadr caec caer caha cahe caka cake cara carb carc card care cark carr cbac cbar cbbc cbca cbcc cbce cbcr cbdb cbdc cbea cbec cbee cber cbha cbka cbkr cbrd cbre cbrh ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc ccdc ccdh ccdr cced ccee ccha cche cchr ccra ccrc ccre cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdre ceac cead cear ceba cec- ceca cece ceda cedd cede ceeb ceec ceke cer- cera cerc cerd cere chaa chab chac chad chae chah chak char chca chce chch chea cheb chec ched chee cheh chek cher chha chka chkb chra chrb chrc chrd chrr ckac ckbc ckbe ckch ckck cker ckrc ckrd crab crac crar crbc crca crcc crce crcr crda crdc cre- crea creb crec cred cree creh crkc daab daad daae daar daba dabb daca dace dada dade daeb daer daha dahe daka dake dara darb darc dard dare dark darr dbar dbcc dcbc dcca dccb dccc dcdb dche dcra dcrk dddd ddrc ddre deac dead deae deak dear deba debe dec- deca decc decd dece deck deda dedd dede deeb deed deek deer deha dek- deka deke dekh der- dera derb derc dere derk derr dhaa dhad dhak dhar dhec dhed dhee dher dkba dkdc draa drab drac drad drak drar drba drbc drca drda drea dred dree dreh drek drra eaba eabh eaca eacc each eada eadb eadd eaec eara earb eard eare earh ebac ebba ebbc ebbr ebcc ebed eber ecaa ecac ecad ecar ecbc ecbe ecca eccb eccc ecce ecdc eced echa eche ecka ecra ecrc ecrr edac edad edah edar edca edda eddc edde ede- edea edeh eder edra eeca eede eeea eeee eeka eeke eera eerc ehaa ehcc ehdd ehea eheh eher ehre eka- ekab ekch ekeb eked ekek eker ekka erad erba erbb erbe erca ercc erce erch erda erde ereb erec ered erer erhc erke erra errc erre haab haad haak haar haba habe hace hack hada hade hadh haec haed haha haka hake hakk hara harc hard hare harh hark harr hbar hbcd hcbc hcca hccb hccc hcch hcdr hcrd hdbk hdca hdda hdra head heah hear hebb hebe hebr heca hech heck heda hedd hede heeb heed heek heer hehe heka heke hera herb herc herd here herk herr hhaa hhhh hkcc hrac hrad hrdc hree hrrc kaaa kaab kaak kaar kaba kabb kabc kabd kabe kabr kacb kacc kacd kace kach kad- kada kadd kade kadr kaeh kaer kaha kahc kahe kahr kaka kakc kake kakh kakk kara karb kard kare kark karr kbaa kbab kbac kbad kbae kbak kbar kbba kbbb kbbc kbbd kbbe kbbk kbbr kbca kbcb kbce kbch kbck kbcr kbdb kbde kbdr kbeb kbec kbed kbee kbeh kbek kber kbhb kbhc kbhe kbhh kbhr kbkb kbkk kbkr kbra kbrb kbrc kbrd kbre kbrh kbrk kcaa kcab kcac kcad kcah kcar kcba kcbc kcbd kcbk kcbr kcca kccb kccc kccd kcck kccr kcda kcdc kcdd kcdr kcea kceb kcec kced kcee kcha kche kchh kchk kchr kckc kckk kckr kcrc kcrh kcrr kdaa kdab kdac kdad kdae kdak kdar kdbb kdbr kdca kdcc kdcd kdce kdcr kddb kddc kddd kddk kddr kdeb kdec kdka kdkb kdkd kdkk kdkr kdrb kea- kead keak kear keba kebb kebc kebe kebr keca kech keck kecr keda kedb kedc kedd kede kedr keed keeh keek keer kehk kehr keka kekb kekc keke ker- kera kerb kerc kere kerk kerr khab khac khad khak khar khbc khbd khbr khca khcb khcc khch khck khdc khdk khdr kheb khec khed kher khhk khka khke khkk khkr khra khrd khrk khrr kkaa kkac kkar kkba kkbb kkbd kkbe kkbr kkcb kkcd kkch kkck kkcr kkda kkdc kkdd kkea kked kkha kkhb kkhh kkhk kkhr kkkk kkrb kkrc kkre kkrh kkrk kkrr krab krac krad krae krah krak krar krba krbb krbd krbe krbk krbr krca krcb krcc krcd krce krch krda krdc krdd krde krdr krea kreb krec kred kree kreh krek krhc krka krkc krkd krke krkh krkk krkr krrb krrc krre krrk krrr