a-do aaaa aaad aaal aaar aada aadu aala aald aall aalo aalu aaoo aara aard aaro aaru adaa adad adal adao adar adda addd addl addo addr addu adod adoo ador adra adro adua adur alaa alad alal alao alar alau ald- alda aldl aldo all- alla alll allo allr allu aloa alod alol aloo alor alou alro alua alur aola aora aoul arad aral arar arau arda ardl ardo ardu arla arlo aroa arod aroo aror arr- arra arro arrr arru arua arud arul auaa audo aul- aula auld aull aulo aulu auol aur- aura aurd auro daad daal daar daau dada dado dadu dala dall dalo dalu daou dara dard darl daro darr daru daud daur dddd doal doar dod- doda dodd dodo dola dold doll dolo dolu dood dool door dora dord doro dorr doru doud doul dour draa drad drar drau drda drod drol drou drra drua druu duaa duad dual duar duda dudd dudo dudu dula dull dulo dulu duo- dura duro duru duul duur laaa laad laal laar lada ladd lado ladu lala lald lall lalo lalu laou lara lard larr laru laud laul laur llao llll lloa llod lloo llud load loar loda lola lold loll lolo lood lool loor lora lord loro loud loul lour louu lral lrdd lrrr luau luda ludd ludo lula lull lulu lura lurd luua oaau oall oara odal odda oddd odla odoo odor odou odra odrl odur olar olla ollo olor olur ooaa ooda oola oold oolo oooo oora oord orad oral orao orar orda ordo ordu orla orlo orlu oro- oror orra orro ouad oula ould oulu our- oura ouro ouu- raad rada radd radl rado radr radu rala rall ralo raol rara raro raua raud raul rlua road roar roda rodd rodo rola rold roll rolo rood rool roor rora roro roru roua roud roul rrad rrrr ruad ruda rudd rudl rudo rula rull rulo rura rurd ruro ruru ruud uald uaru uaua udaa udad udal udar udau udoo udra ulaa ulad ular ulla ullo ullr ulo- ulua ulul uor- urad ural urao urau urda urdu urla uro- uroa urol uroo urra urur uulu uuuu