a-ak a-be aaaa aaab aaad aaae aaba aabb aabd aada aade aadu aaea aaka aake aaku abaa abab abad abae abak abau abb- abba abbb abbe abda abdu abed abee abua abud abue abuk adaa adab adad adae adak adba adda addd adde addu adea adeb adee adua adub adue aduk aede aeka akaa akae aked akee akeu akka akku akua auaa aube aude auke baaa baad baak baba babb babe babu bada badb badd bade badu baed baek bak- baka bake baku bau- baud bauk bbad bbau bbbb bbdd bbeb bead beak beau beba bebb bebe beda bede bedu beeb beed beek beka beke beuk buad buba bubb bube bubu buda budb budd bude budu buea bueu buka buke bukk buku daab daad daae daau daba dabb dabu dada dade dadu daeb daeu daka dake daku daub daud daue dauk dddd ddub dead deae deak deau deba debe debu deda dedd dede dedu deeb deed deek dek- deka deke deua deue deuk dkba duaa duab duad dub- duba dubb dube dubu duda dudd dude dudu duka duke duku eaba eada eadb eadd ebba ebed edad edda edde ede- edea eede eedu eeea eeee eeka eeke eka- ekab ekeb eked ekek ekka euba eude kaaa kaab kaak kaba kabb kabd kabe kabu kad- kada kadd kade kadu kaka kake kakk kaku kau- kaub kaud kaue kauk kbaa kbab kbad kbae kbak kbba kbbb kbbd kbbe kbbk kbbu kbdb kbde kbeb kbed kbee kbek kbkb kbkk kbua kbub kbud kbue kbuk kbuu kdaa kdab kdad kdae kdak kdbb kddb kddd kddk kdeb kdka kdkb kdkd kdkk kdub kea- kead keak keau keba kebb kebe kebu keda kedb kedd kede keed keek keka kekb keke keku kkaa kkba kkbb kkbd kkbe kkda kkdd kkea kked kkkk kkua kkuu kuau kuba kubb kubd kube kubu kuda kudd kude kudu kued kuek kueu kuka kuke kukk kuku kuub kuuk kuuu uaua ubba ubbe ubek ubud udaa udad udau udea uduk ueba ueda ukba ukek ukeu uuuu