a-ak a-be aaaa aaab aaad aaae aaal aaba aabb aabd aabl aada aade aaea aaka aake aala aald aale aall abaa abab abad abae abak abal abb- abba abbb abbe abda abed abee abel abla able adaa adab adad adae adak adal adba adda addd adde addl adea adeb adee adel adle aede aeka aela akaa akae akal aked akee akel akka akle alaa alad alae alak alal alb- alba albe ald- alda alde aldl alea aled alee alek alk- alka alkb alkd alke all- alla alle alll baaa baad baak baal baba babb babe bada badb badd bade baed baek bael bak- baka bake bakl bala bald bale balk ball bbad bbbb bbdd bbeb bblb bdle bead beak beal beba bebb bebe beda bede bedl beeb beed beek beel beka beke bela beld bele belk bell blaa blab blad blae blak blea bleb bled blee blek blkb blkd daab daad daae daal daba dabb dada dade daeb daka dake dala dale dalk dall dddd dead deae deak deal deba debe deda dedd dede deeb deed deek deel dek- deka deke dela deld dele delk dell dkba dlab dlbd e-la eaba eada eadb eadd eala eald eale ebal ebba ebed ebel ebla edad edda edde ede- edea edel edla edle eede eeea eeee eeka eeke eele eka- ekab ekeb eked ekek ekka el-b elab elad elal elba elbe elda elde elea eled elee elek elka elke ella elle kaaa kaab kaak kaal kaba kabb kabd kabe kad- kada kadd kade kadl kael kaka kake kakk kala kalb kald kale kalk kall kbaa kbab kbad kbae kbak kbal kbba kbbb kbbd kbbe kbbk kbbl kbdb kbde kbdl kbeb kbed kbee kbek kbel kbkb kbkk kbkl kbla kblb kbld kble kbll kdaa kdab kdad kdae kdak kdal kdbb kdbl kddb kddd kddk kddl kdeb kdel kdka kdkb kdkd kdkk kdla kdlb kdld kdll kea- kead keak keal keba kebb kebe keda kedb kedd kede keed keek keel keka kekb keke kekl kela keld kele kelk kell kkaa kkal kkba kkbb kkbd kkbe kkbl kkda kkdd kkdl kkea kked kkkk kklb kkld kkll klaa klab klad klak klal klbb klbd klbe klbl kldd klde klea kleb kled klee klek klka klkk klkl klla kllb klle kllk laaa laad laak laal laba labe lada ladd lade lael laka lake lala lald lale lall leaa lead leak leal leba lebd leda lede leea leed leek leel leka leke lekk lela lele lell lkab lkal lldb llll