a-ak a-be aaaa aaab aaae aaal aaba aabb aabl aaea aaka aake aala aale aall abaa abab abae abak abal abb- abba abbb abbe abee abel abla able aeka aela akaa akae akal akee akel akka akle alaa alae alak alal alb- alba albe alea alee alek alk- alka alkb alke all- alla alle alll baaa baak baal baba babb babe baek bael bak- baka bake bakl bala bale balk ball bbbb bbeb bblb beak beal beba bebb bebe beeb beek beel beka beke bela bele belk bell blaa blab blae blak blea bleb blee blek blkb e-la eaba eala eale ebal ebba ebel ebla eeea eeee eeka eeke eele eka- ekab ekeb ekek ekka el-b elab elal elba elbe elea elee elek elka elke ella elle kaaa kaab kaak kaal kaba kabb kabe kael kaka kake kakk kala kalb kale kalk kall kbaa kbab kbae kbak kbal kbba kbbb kbbe kbbk kbbl kbeb kbee kbek kbel kbkb kbkk kbkl kbla kblb kble kbll kea- keak keal keba kebb kebe keek keel keka kekb keke kekl kela kele kelk kell kkaa kkal kkba kkbb kkbe kkbl kkea kkkk kklb kkll klaa klab klak klal klbb klbe klbl klea kleb klee klek klka klkk klkl klla kllb klle kllk laaa laak laal laba labe lael laka lake lala lale lall leaa leak leal leba leea leek leel leka leke lekk lela lele lell lkab lkal llll