a-a a-b aaa aab aan aau aaw ab- aba abb abn abu abw an- ana anb ann anu au- aua aub aun auw aw- awa awb awn awu aww b-u baa bab ban bau baw bba bbb bbn bbu bbw bna bnb bnn bnu bnw bua bub bun buu buw bwa bwb bwu naa nab nan nau naw nba nbb nbn nbu nbw nna nnb nnn nnu nnw nua nub nun nuu nwa nwb nwn nwu ua- uaa uab uan uau uaw uba ubb ubn ubu ubw un- una unb unn unu unw uua uun uuu uwa uwb uwn uww waa wab wan wau waw wba wbb wbn wbw wn- wna wnn wnu wnw wua wub wun wwa wwn wwu www