-ana aaaa aaan aaap aaar aana aanp aaon aaoo aapa aapo aara aaro aarp ana- anaa anan anao anap anar anax anna anno ano- anoa anon anor anox anp- anpa anpp anpr aono aopo aora aorn apan apao apap apar apax apna apno apo- apon apoo apop apor apox appa appr appx apra aprn apro aran arap arar arax arna arno aroa aron aroo aror arpa arr- arra arro arrr axan axar axo- axoa axon axxo naaa naan naar nan- nana nann nano nanp naor napa napo napp nara narn naro narp narr narx nnnn nnpr noaa noap non- nona nonn nono nonx noo- noon nooo noop noor nor- nora norn noro norr noxa 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 oxa- oxan oxna oxo- oxon oxox oxxo paan paap paar pan- pana pann pano paon paox papa papp papr par- para parn paro parp parr paxo 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 prox raan rana rann rano ranx raop rapa rapp rara raro raxa roan roap roar rona rono roon roop roor roox ropa ropo rora roro roxa roxo rpon rppn rrna rrrr xaar xana xano xapo xara xnap xoan xorn xoro xorp xoxo xpax xpra xxxo xxxx