-ana a-un aaaa aaab aaan aaap aaar aaba aabb aabp aana aanp aaon aaoo aapa aapo aara aaro aarp aaru aaup abaa abab aban abap abar abau abb- abba abbb abbo abbr abnu aboa abob abon aboo abor abou abpa abpn abpp abpr abra abro abua abun ana- anaa anab anan anao anap anar anau anba anbb anbo anbu anna annb anno ano- anoa anon anor anp- anpa anpp anpr anpu anua anub anun anup aoba aonb aono aopo aora aorb aorn aoun apan apao apap apar apba apbr apna apno apo- apon apoo apop apor apou appa appr appu apra aprn apro apua apup arab aran arap arar arau arba arna arno aroa arob aron aroo aror arpa arpu arr- arra arro arrr arru arua arub arun arup auaa auna aur- aura auro baaa baan baar baba babb babo babr babu bana bann bano banp banr banu baon bapa bapp bapu bar- bara barb barn baro barr baru bau- baur bbau bbbb bbpr bnor bnpp bnrr boab boan boar boba bobb bobo bobu bona bonn bono bonu boob boon boop boor bopa bopp bor- bora born boro borr boru boua boun boup bour brab bran brao brau brna brno broa brob bron broo bror brou brrr brun brup buar buba bubb bubo bubu buna bunb bunn buno bunu buon bupa bur- bura burb burn buro burp burr buru n-up naaa naab naan naar naba nabo nabu nan- nana nanb nann nano nanp nanu naor napa napb napo napp napu nara narn naro narp narr naru nauo naur nbaa nbap nbar nbbo nbpa nbpp nnnn nnpr noaa noap noba nobo nobu non- nona nonn nono nonu noo- noob noon nooo noop noor nor- nora norb norn noro norr noun noup nour npap nppa npra nrab nrap nrna nron nrpn nuan nuba nuna nunn nuno nuon nura nurn nurp nurr nuru oaau oara oban obba obbo obon obor obra obro onab onan onar onna onno onon onor onpu onra onup onur ooaa ooba oona oooo oora opan opap opar opo- opon opor oppa oppo opra opua orab oran orao orar orba orbb orbo orbu orna orno oro- oron oror orra orro orub orup ouan oun- ouna oupa our- oura ourn ouro ouu- paan paap paar paba pabu pan- pana pann pano panu paon papa papb papp papr par- para parn paro parp parr paru paua paun paup paur pban pbar pbpa pnar pnau pnon pnpo pnpp pnra pnro pnup poan poar poba pobo pona pono ponp poon poop poor pop- popa popo popp pora porb porn poro porr poun poup pour ppan ppap ppar ppoa pppa pppn pppo pppp ppru ppur pran prao prar prau prna prnp pro- proa prob pron proo prop prou pruu puan puao puar pubu puna puno punu pupa pupu pur- pura purb puro purp purr puru raab raan raba rabb rabo rabu rana rann rano raob raop rapa rapp rara rarb raro raua raub raun raup rbbb rbbr rnbr roab roan roap roar rob- roba robb robo robu rona rono roob roon roop roor ropa ropo rora roro roru roua roub roun roup rpob rpon rppn rrna rrrr rrun ruan ruba rubb rubp rubu runa runn runo rupa rupp rura ruro rurp ruru ruun u-rp uaru uaua ubar ubba ubbo ubon ubra unaa unan unar unau unna unno unon unop unpa unra unro uor- upar upnp upon upor uppa uppp uppu upra upup uran urao urap urau urba urna uro- uroa uroo urpo urra urun urup urur uuno uuuu