aaaa aaab aaad aaal aaba aabb aabd aabl aada aadu aala aald aall aalu abaa abab abad abal abau abb- abba abbb abda abdu abla abua abud abul adaa adab adad adal adba adda addd addl addu adua adub alaa alad alal alau alb- alba albu ald- alda aldl all- alla alll allu alua auaa aul- aula auld aull aulu baaa baad baal baba babb babu bada badb badd badu bala bald ball balu bau- baud baul bbad bbau bbbb bbdd bblb blaa blab blad blau blub blud buad bual buba bubb bubu buda budb budd budl budu bula bulb buld bull bulu daab daad daal daau daba dabb dabu dada dadu dala dall dalu daub daud dddd ddub dlab dlbd duaa duab duad dual dub- duba dubb dubu duda dudd dudu dula dull dulu duul laaa laad laal laba labu lada ladd ladu lala lald lall lalu laub laud laul lldb llll llud luau luba luda ludd lula lull lulu luua uald uaua ubal ubba ubla ubud udaa udad udal udau ulaa ulad ulla ulua ulul uulu uuuu