-ana aaaa aaan aaap aaar aaas aana aanp aaon aaoo aapa aapo aaps aara aaro aarp aars aasa aass ana- anaa anan anao anap anar anas anna anno anns ano- anoa anon anor anos anp- anpa anpp anpr ansa anso ansp aono aopo aora aorn aors aosp aoss apan apao apap apar apas apna apno apo- apon apoo apop apor apos appa appr apps apra aprn apro aprs apsa apso apss aran arap arar aras arna arno arns aroa aron aroo aror aros arpa arps arr- arra arro arrr arrs ars- arsa arso asaa asan asao asap asar asas asno ason asop asor asos aspa aspo aspr asps asra asro asrs assa assn asso assp assr asss naaa naan naar naas nan- nana nann nano nanp nans naor naos napa napo napp naps nara narn naro narp narr nars nas- nasa naso nasp nasr nass nnnn nnos nnpr nnsa nnss noaa noap non- nona nonn nono nons noo- noon nooo noop noor noos nops nor- nora norn noro norr nors nos- nosa noss npap npas nppa npra npsa npss nrap nras nrna nron nrpn nrps nrsa nrsp nsaa nsar nsna nsnr nsos nsps nsra nssa nsso nssp nssr nsss oaps oara oars oass onan onar onas onna onno onon onor onos onra onso ooaa oona oons oooo ooos oops oora oosa opan opap opar opo- opon opor opos oppa oppo opps opra opsa oran orao orar oras orna orno orns oro- oron oror oros orps orra orro orrs orsa orso osan osap osar osas osno osnr osoo osor osos osro ossa osso paan paap paar paas pan- pana pann pano pans paon paos papa papp papr paps par- para parn paro parp parr pars pasa paso pasp pass pnar pnas pnon pnpo pnpp pnra pnro poan poar poas pona pono ponp pons poon poop poor poos pop- popa popo popp pops pora porn poro porr pors posa posn poso poss ppan ppap ppar ppoa ppos pppa pppn pppo pppp ppps ppss pran prao prar pras prna prnp pro- proa pron proo prop pros prps prrs prsa prso prss psap psas psna psnr psoa pson psos pspp pspr psps psrp pssa psso raan raas rana rann rano rans raop raos rapa rapp raps rara raro rars rasa raso rasp rass rnas rnsp roan roap roar roas rona rono rons roon roop roor roos ropa ropo rops rora roro rosa roso rosp ross rpon rpos rppn rpps rras rrna rrrr rrsp rsaa rsna rsnn rsno rsnr rsos rspo rsps rssa s-os saan saap saar saas sana sann sano sanr sans saon saor saos sapa sapo sapp saps sara sarn saro sarp sarr sars sasa saso sass snap snar snas snns snoa snoo snop snor snos snpo snpp snra snrs soan soap soar soas son- sona sono sons soon soop soor soos sopa sopo sopp sops sora sorn soro sorr sors sosa soso soss sp-a span spap spar spas spns spon spoo spop spor spos spps spro sprs spsa spso spsp spss sras srna srnn srno sros srps srsp ssaa ssan ssao ssap ssas ssns ssop sspa sspo ssps ssra ssrs sssa ssss