a-fu aaaa aaab aaaf aaal aaap aaba aabb aabl aabp aafa aafb aaff aafl aala aall aalu aapa aapl aaup abaa abab abaf abal abap abau abb- abba abbb abff abla abpa abpp abua abuf abul afaa afap affa afla aflp afpa afua al-p alaa alal alap alau alb- alba albu alfa all- alla alll allu alpa alpl alpu alua aluf apal apap apba apfa apfl apl- apla aplp aplu appa appl appu apua apup auaa aul- aula aulf aull aulu baaa baaf baal baba babb babu baff bala balf ball balu bapa bapp bapu bau- bauf baul bbau bbbb bblb bffl bfpp blaa blab blau blub bluf blup bpfl bual buba bubb bubu buff bula bulb bull bulu bupa faaa faap faba fabu fafa faff fala fall falu fapa fapl fapp faul fbla ffff flab flap flub fluf fpaa fpla fubb fubu fuff fufu fula full fulu laaa laal laap laba labu lafb laff lala lall lalu lapa lapb lapp lapu laub lauf laul llll lpfp lpla lppl luau luba luff lufu lula lull lulu lupa lupu luua luup paal paap paba pabu pafa paff pala pall palp palu papa papb papp paua paul paup pblu pbpa pfaa pfff plaa plab plaf plap plau plfa plff plpa plpp plua plup ppal ppap ppfa pppa pppp publ pubu puff pula pull pulp pulu pupa pupl pupu uafa uaua ubal ubba ubla uffa ufpb ulaa ulla ulua ulul upal upla uplb uppa uppp uppu upup uulu uuuu