-ana aaaa aaan aaap aaar aana aanp aaon aaoo aapa aapo aara aaro aarp ana- anaa anan anao anap anar anna anno ano- anoa anon anor anp- anpa anpp anpr aono aopo aora aorn apan apao apap apar apna apno apo- apon apoo apop apor appa appr apra aprn apro aran arap arar arna arno aroa aron aroo aror arpa arr- arra arro arrr naaa naan naar nan- nana nann nano nanp naor napa napo napp nara narn naro narp narr nnnn nnpr noaa noap non- nona nonn nono noo- noon nooo noop noor nor- nora norn noro norr npap nppa npra nrap nrna nron nrpn oara onan onar onna onno onon onor onra ooaa oona oooo oora opan opap opar opo- opon opor oppa oppo opra oran orao orar orna orno oro- oron oror orra orro paan paap paar pan- pana pann pano paon papa papp papr par- para parn paro parp parr pnar pnon pnpo pnpp pnra pnro poan poar pona pono ponp poon poop poor pop- popa popo popp pora porn poro porr ppan ppap ppar ppoa pppa pppn pppo pppp pran prao prar prna prnp pro- proa pron proo prop raan rana rann rano raop rapa rapp rara raro roan roap roar rona rono roon roop roor ropa ropo rora roro rpon rppn rrna rrrr