a-ak a-be a-ha aaaa aaab aaac aaae aaah aaal aaba aabb aabc aabh aabl aaca aacb aacc aace aach aack aacl aaea aaec aaha aahk aahl aaka aake aala aalc aale aall abaa abab abac abae abak abal abb- abba abbb abbe abca abcb abcc abch abcl abec abee abel abha abla able acaa acab acac acae acba acbl acca accc acce acch ace- acea acec aceh acek acel acha ache achh achl acke acla aclc acle aeac aecb aecl aeka aela aelc ahab ahac ahah ahal ahel ahha ahla ahle akaa akae akah akal akca akee akel akha akka akle alaa alac alae alak alal alb- alba albc albe alca alcc alce alea alec alee aleh alek alha alk- alka alkb alke all- alla alle allh alll baaa baah baak baal baba babb babe bac- baca bacc bace bach back baek bael baha bahl bak- baka bake bakh bakl bala balc bale balk ball bbbb bbch bbeb bblb bcaa bcbc bcca bccc bccl bcec bche beah beak beal beba bebb bebe beca bech beck beeb beek beel beka beke bela bele belk bell bhca bhcc bhel blaa blab blac blae blah blak blea bleb blee bleh blek blkb caaa caab caac caah caal caba cabe cac- caca cacc cace cach cack caec caha cahe cahl caka cake cala calc cale calk call cbac cbal cbbc cbca cbcc cbce cbcl cbea cbec cbee cbha cbhl cbka cbkl cblb cblc ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccee ccel ccha cche cchl ccla cclc ceac ceal ceba cec- ceca cece ceeb ceec ceel cehl ceke cel- cela celc cele cell chaa chab chac chae chah chak chal chca chce chch chea cheb chec chee cheh chek chel chha chka chkb chlc ckac ckbc ckbe ckch ckck ckcl clab clea clec clee clek e-cl e-la eaba eabh eaca eacc each eaec eala ealc eale ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl echa eche echl ecka ecla eeca eeea eeee eeka eeke eele ehaa ehcc ehea eheh ehel ehle eka- ekab ekch ekeb ekek ekka el-b elab elac elah elal elba elbe elca elcb elce elch elea elec elee eleh elek elka elke ella elle haab haak haal haba habe hace hack haec haha haka hake hakk hal- hala halb hale halk hall hcbc hcca hccb hccc hcch heah heal hebb hebe heca hech heck heeb heek heel hehe heka heke hela hele helk hell hhaa hhcl hhhh hhla hkcc hkcl hlah kaaa kaab kaak kaal kaba kabb kabc kabe kacb kacc kace kach kacl kaeh kael kaha kahc kahe kahl kaka kakc kake kakh kakk kala kalb kalc kale kalk kall kbaa kbab kbac kbae kbak kbal kbba kbbb kbbc kbbe kbbk kbbl kbca kbcb kbce kbch kbck kbcl kbeb kbec kbee kbeh kbek kbel kbhb kbhc kbhe kbhh kbhl kbkb kbkk kbkl kbla kblb kble kbll kcaa kcab kcac kcah kcal kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kcea kceb kcec kcee kcel kcha kche kchh kchk kchl kckc kckk kckl kcla kclc kcle kclh kclk kcll kea- keak keal keba kebb kebc kebe keca kech keck keeh keek keel kehk kehl keka kekb kekc keke kekl kela kele kelk kell khab khac khak khal khbc khca khcb khcc khch khck kheb khec khel khhk khhl khka khke khkk khla khlc khle khll kkaa kkac kkal kkba kkbb kkbe kkbl kkcb kkch kkck kkcl kkea kkha kkhb kkhh kkhk kkkk kklb kklc kklh kkll klaa klab klac klak klal klbb klbc klbe klbl klca klcb klcc klce klch klck klcl klea kleb klec klee klek klhb klhc klka klkc klkk klkl klla kllb kllc klle kllk laaa laac laak laal laba labe laca lacc lace lach lack lacl lael laha lahe laka lake lakh lala lale lall lbcc lcac lcbc lcca lccc lcce lchc leaa leah leak leal leba leca lece lech leck leea leek leel lehe leka leke lekh lekk lela lele lell lhec lhee lhhh lkab lkal llcc lllc llll