a-be a-ha aaaa aaab aaac aaae aaah aaar aaba aabb aabc aabh aaca aacb aacc aace aach aacr aacu aaea aaec aage aagh aaha aara aarc aare aaru abaa abab abac abae abag abar abau abb- abba abbb abbe abbr abca abcb abcc abch abcr abec abee aber abha abhr abra abrc abua abue abug acaa acab acac acae acag acar acba acca accc acce acch accu ace- acea acec aceh acer acga acgr acha ache achh achr achu acr- acra acrc acre acrr acu- acue acur aeac aecb aeer aega aer- aera aerc agac agag agar agau agba agca agcc agce agea agee ager agga agge aggu agha aghe agra agre agua ague agur ahab ahac ahah ahar ahau ahha ahra ahrc ahre ahrr ahua ahug arab arac arae arag arah arar arau arba arbe arbh arc- arca arce arch area arec aree areg areh areu arga argb arge argh arh- arr- arra arrc arre arrg arrh arrr arru arua arub arue arug auaa aube auca auce auch auer auga auge aur- aura aure auug baaa baah baar baba babb babe babr babu bac- baca bacc bace bach baer baga bage bagg bagh baha bahr bahu bar- bara barb barc bare barg barh barr baru bau- baug baur bbau bbbb bbch bbeb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcec bcer bche bcra bcru bcuc beag beah bear beau beba bebb bebe beca bech becu beeb beeg beer bega begg begu behr bera berc bere berg berr beru beur bgca bhag bhar bhca bhcc bher bhra bhur bhuu brab brac brae brag brah brau brca brcb brce brea breb brec bree breg brer brrr bruc brue brug bruh buar buba bubb bube bubu buca bucc buce buch bucu buea buer bueu buga buge bugg bugh buha buhe buhr bur- bura burb bure burg burh burr buru caaa caab caac caah caba cabe cabg cabu cac- caca cacc cace cach cacr caec caer caeu caga cage cagg cagr caha cahe cara carb carc care carr cauc cbac cbar cbbc cbca cbcc cbce cbcr cbcu cbea cbec cbee cber cbga cbgb cbha cbre cbrh ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc cccu ccee ccga ccgc ccha cche cchr ccra ccrc ccre ccrg ccuc ceac cear ceba cebu cec- ceca cece ceeb ceec cege cer- cera cerc cere cgac cgcc cgcg cger chaa chab chac chae chag chah char chau chca chce chch chea cheb chec chee cheh cher cheu chgb chge chha chra chrb chrc chrr chua chub chug chur crab crac crag crar crau crbc crbu crca crcc crce crcr cre- crea creb crec cree creg creh creu crub crue crug cuau cub- cuba cubb cube cuca cucc cuce cuer cuga cura curb cure curr eaba eabh eaca eacc each eaec eaga eage eara earb eare earh ebac ebba ebbc ebbr ebcc eber ebru ebur ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce echa eche ecra ecrc ecrr ecru ecua eeca eeea eeee eega eera eerc eerg egaa egae egar egba egbe egbu egcc egcg egcr egea egec egee eger eggb egge eggh eghe eghh egra egre ehaa ehcc ehea eheh eher eheu ehre erau erba erbb erbe erca ercc erce erch ereb erec erer erg- erga ergg ergh erhc erhu erra errc erre erua erub eruc eruh erur euba eubc euch euer euge eugh eur- eura eurc eure gaar gaba gabb gabe gabr gabu gace gach gaea gaec gaer gaga gage gagg gagu gaha gahe gara garb gare garg garr gaua gaub gaue gaur gbag gc-c gcaa gcbc gccc gcrg geab gear geba gebe geca gece geer gege gegg geha gehu gera gerb gere geru geue gggg gghg ghar ghea ghee gheg ghug grab grac grae grau grbr grcc grce grea greb grec gree greg greu grrr grua grub grue grug grur guaa guac guag guar guba gubb gubu guca guch guer guga gugb guge gugg gugh gugu guha guhe guhr gura gurb gure gurg gurh gurr guru haab haag haar haba habe habu hace haec hag- haga hage hagg hagh haha hara harc hare harh harr haru hau- haue haug hbag hbar hcbc hcca hccb hccc hcch hcgh heah hear hebb hebe hebr heca hech heeb heeg heer hega hege hegg hegh hehe hera herb herc here herg herr heru heue heug heur hgah hgar hggc hhaa hhgg hhhh hrac hree hrrc huac huah huba hubb hube huch hucu huea huer huge hugg hugh huhu hura hure hurr huru huub raab raag raba rabb rabe rabu rac- raca racc race rach racu raec raeg raer raga rage ragg ragh ragu raha rahe rahr rahu rara rarb rare raua raub rauc raue rbbb rbbr rbgh rcac rcbc rccb rccc rcga rcgc rchb rcrg rea- reac reae rear reau reba rebb rebe rebu reca recc rece rech recr recu reeb rega rege regr regu reha rehb rehe rera rere rerg reru reue reuu rgba rgbe rhae rhag rhau rhbg rhce rhcg rhea rheb rhee rhue rhug rrah rrrr ruag ruah ruba rubb rube rubu ruca ruce ruch ruer ruga ruge rugg rugh ruhe ruhh ruhr rura rurc rure ruru uabc uaca uarc uaru uaua ubac ubar ubba ubbe uber ubra ucar ucbc ucca ucea ucha uche ucrc ucua ueba ugab ugar ugcc ugcg ughe ugra ugur uguu uher uhuh urac urau urba urbe urca urch ure- urea ureh urga urge urgh urgu urra urre urrh urur uuuu