a-be a-ha aaaa aaab aaac aaae aaah aaal aaba aabb aabc aabh aabl aaca aacb aacc aace aach aacl aaea aaec aage aagh aaha aahl aala aalc aale aall abaa abab abac abae abag abal abb- abba abbb abbe abca abcb abcc abch abcl abec abee abel abgl abha abla able acaa acab acac acae acag acba acbl acca accc acce acch ace- acea acec aceh acel acga acha ache achh achl acla aclc acle aeac aecb aecl aega aela aelc agac agag agal agba agca agcc agce agea agee agel agga agge agha aghe agla aglc agle ahab ahac ahah ahal ahel ahha ahla ahle alaa alac alae alag alal alb- alba albc albe alca alcc alce alea alec alee aleg aleh alg- alga alge alha all- alla alle allh alll baaa baah baal baba babb babe bac- baca bacc bace bach bael baga bage bagg bagh baha bahl bala balc bale ball bbbb bbch bbeb bbga bblb bcaa bcbc bcbg bcca bccc bccl bcec bche beag beah beal beba bebb bebe beca bech beeb beeg beel bega begg bela bele belg bell bgca bhag bhca bhcc bhel blaa blab blac blae blag blah blea bleb blee bleg bleh caaa caab caac caah caal caba cabe cabg cac- caca cacc cace cach caec caga cage cagg caha cahe cahl cala calc cale call cbac cbal cbbc cbca cbcc cbce cbcl cbea cbec cbee cbga cbgb cbha cbhl cblb cblc ccaa ccab ccac ccag ccba ccbc ccca cccb cccc cccl ccee ccel ccga ccgc ccha cche cchl ccla cclc cclg ceac ceal ceba cec- ceca cece ceeb ceec ceel cege cehl cel- cela celc cele cell cgac cgal cgcc cgcg cgel chaa chab chac chae chag chah chal chca chce chch chea cheb chec chee cheh chel chgb chge chha chlc clab clag clea clec clee cleg e-cl e-la eaba eabh eaca eacc each eaec eaga eage eagl eala ealc eale ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl echa eche echl ecla eeca eeea eeee eega eele egaa egae egal egba egbe egcc egcg egea egec egee egel eggb egge eggh eghe eghh eglc egle ehaa ehcc ehea eheh ehel ehle el-b elab elac elah elal elba elbe elca elcb elce elch elea elec elee eleh elgg ella elle gaal gaba gabb gabe gabl gace gach gaea gaec gael gaga gage gagg gaha gahe gala gale gall gbag gc-c gcaa gcal gcbc gccc gclc geab geal geba gebe geca gece geel gege gegg gegl geha gela gelb gele gelg gell ggcl gggg gghg ghea ghee gheg ghel ghll glaa glab glbc glcc glce gleb glee gleg glge haab haag haal haba habe hace haec hag- haga hage hagg hagh hagl haha hal- hala halb hale hall hbag hcbc hcca hccb hccc hcch hcgh heah heal hebb hebe heca hech heeb heeg heel hega hege hegg hegh hehe hela hele hell hgah hggc hhaa hhcl hhgg hhhh hhla hlah laaa laac laag laal laba labe laca lacc lace lach lacl lael lag- laga lage lagg lagh laha lahe lala lale lall lbcc lcac lcbc lcca lccc lcce lchc leaa leag leah leal leba leca lece lech leea leel lega lege legg legh lehe lela lele lell lgca lhec lhee lhhh llcc llgc lllc llll