a-be aaaa aaab aaac aaae aaal aaba aabb aabc aabl aaca aacb aacc aace aacl aacu aaea aaec aage aala aalc aale aall aalu abaa abab abac abae abag abal abau abb- abba abbb abbe abca abcb abcc abcl abec abee abel abgl abla able abua abue abug abul acaa acab acac acae acag acba acbl acca accc acce accu ace- acea acec acel acga acla aclc acle aclu acu- acue acul aeac aecb aecl aega aela aelc agac agag agal agau agba agca agcc agce agea agee agel agga agge aggu agla aglc agle aglu agua ague agul alaa alac alae alag alal alau alb- alba albc albe albu alca alcc alce alea alec alee aleg aleu alg- alga alge all- alla alle alll allu alua alug auaa aube auca auce auel auga auge aul- aula aule aull aulu auug baaa baal baba babb babe babu bac- baca bacc bace bael baga bage bagg bala balc bale ball balu bau- baug baul bbau bbbb bbeb bbga bblb bcaa bcbc bcbg bcca bccc bccl bcec bcuc beag beal beau beba bebb bebe beca becu beeb beeg beel bega begg begu bela bele belg bell belu bgca blaa blab blac blae blag blau blcu blea bleb blee bleg bleu blub blue bual buba bubb bube bubu buca bucc buce bucu buea buel bueu buga buge bugg bula bulb bule bulg bull bulu caaa caab caac caal caba cabe cabg cabu cac- caca cacc cace caec caeu caga cage cagg cala calc cale call calu cauc caul cbac cbal cbbc cbca cbcc cbce cbcl cbcu cbea cbec cbee cbga cbgb cblb cblc ccaa ccab ccac ccag ccba ccbc ccca cccb cccc cccl cccu ccee ccel ccga ccgc ccla cclc cclg ccuc ceac ceal ceba cebu cec- ceca cece ceeb ceec ceel cege cel- cela celc cele cell cgac cgal cgcc cgcg cgel clab clag clau clea clec clee cleg cleu club clue cuau cub- cuba cubb cube cuca cucc cuce cuga cula culb culc cule cull e-cl e-la eaba eaca eacc eaec eaga eage eagl eala ealc eale ebac ebal ebba ebbc ebcc ebel ebla ebul ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl ecla ecua eeca eeea eeee eega eele egaa egae egal egba egbe egbu egcc egcg egea egec egee egel eggb egge eglc egle eglu el-b elab elac elal elba elbe elbu elca elcb elce elea elec elee elgg ella elle ellu elue elul euba eubc euge eula eule gaal gaba gabb gabe gabl gabu gace gaea gaec gael gaga gage gagg gagu gala gale gall galu gaua gaub gaue gaul gbag gc-c gcaa gcal gcbc gccc gclc geab geal geba gebe geca gece geel gege gegg gegl gela gelb gele gelg gell gelu geue geul ggcl gggg glaa glab glau glbc glcc glce gleb glee gleg gleu glge glub glue glug guaa guac guag guba gubb gubu guca guel guga gugb guge gugg gugu gula gulb gule gull gulu laaa laac laag laal laba labe labu laca lacc lace lacl lacu lael lag- laga lage lagg lagu lala lale lall lalu laub laue laul lbcc lbug lcac lcbc lcca lccc lcce le-u leaa leag leal leau leba lebu leca lece leea leel lega lege legg lela lele lell lelu leuc lgbu lgca llcc lleu llgc lllc llll luau luba lube luca luce lueg luga luge lugg lugu lula lule lull lulu luua uabc uaca uaua ubac ubal ubba ubbe ubla uble ucal ucbc ucca ucea ucel ucla ucua ueba uele uell ugab ugal ugcc ugcg uguu ulaa ulae ulbc ulcc ulea uleb ulee ulla ulle ulua ulul uulu uuuu