-ana a-wa aaaa aaab aaan aaap aaar aaas aaba aabb aabp aabw aana aanp aaon aaoo aaow aapa aapo aaps aara aaro aarp aars aasa aass aaww abaa abab aban abap abar abas abaw abb- abba abbb abbo abbr abbs aboa abob abon aboo abor abos abow abpa abpn abpp abpr abps abra abro abrs abs- absa absp abss absw abwa abwr ana- anaa anab anan anao anap anar anas anba anbb anbo anna annb anno anns ano- anoa anon anor anos anp- anpa anpp anpr ansa anso ansp anwr aoba aonb aono aopo aora aorb aorn aors aosp aoss apan apao apap apar apas apaw apba apbr apbs apna apno apo- apon apoo apop apor apos appa appr apps apra aprn apro aprs apsa apso apss apwa arab aran arap arar aras araw arba arbs arna arno arns aroa arob aron aroo aror aros arow arpa arps arr- arra arro arrr arrs ars- arsa arso arwa asaa asab asan asao asap asar asas asba asbo asno asob ason asop asor asos asow aspa aspo aspr asps asra asro asrs assa assn asso assp assr asss awan awar awas awns awon awoo awow awpp awro awss awwa awws baaa baan baar baas baba babb babo babr babs bana bann bano banp banr bans baon baos bapa bapp baps bar- bara barb barn baro barr bars basa baso bass baw- bawn baws bbas bbbb bbbs bbpr bbwr bbws bnas bnor bnpp bnrr bnss boab boan boar boas boba bobb bobo bobs bobw bona bonn bono bons boob boon boop boor boos boow bopa bopp bops bor- bora born boro borr bors borw bosa bosn boso boss bowa bown bowr bows bpsa brab bran brao bras braw brna brno brns broa brob bron broo bror bros brow brrr brrs brsb brsr bsaa bsap bsas bsaw bsns bson bsos bspp bspr bsra bwaa bwan naaa naab naan naar naas naba nabo nabs nan- nana nanb nann nano nanp nans naor naos naow napa napb napo napp naps nara narn naro narp narr nars narw nas- nasa nasb naso nasp nasr nass nasw nawa nawo naws nbaa nbap nbar nbas nbbo nbpa nbpp nbps nbsp nnnn nnos nnpr nnsa nnss noaa noap noba nobo nobs non- nona nonn nono nons nonw noo- noob noon nooo noop noor noos nops nor- nora norb norn noro norr nors norw nos- nosa noss nowa nown nows npap npas nppa npra npsa npss npws nrab nrap nras nrna nron nrpn nrps nrsa nrsp nsaa nsar nsbo nsna nsnr nsos nsps nsra nssa nssb nsso nssp nssr nsss nswp nswr nwbn nwbw nwpa nwpp nwsa nwss oaps oara oars oass oban obas obba obbo obon obor obos obra obro obsn obsr obss onab onan onar onas onna onno onon onor onos onra onso ooaa ooba oona oons oooo ooos oops oora oosa opan opap opar opo- opon opor opos oppa oppo opps opra opsa orab oran orao orar oras orba orbb orbo orbs orna orno orns oro- oron oror oros orps orra orro orrs orsa orso orwa orwo osan osap osar osas osba osbp osno osnr osoo osor osos osow osro ossa ossb osso owar owna owns owow owsa owwa paan paap paar paas paba pan- pana pann pano pans paon paos papa papb papp papr paps par- para parn paro parp parr pars pasa paso pasp pass pasw pawa pawb pawn pawo pawr paws pban pbar pbpa pbrs pbsa pbsp pnar pnas pnon pnpo pnpp pnra pnro pnwr poan poar poas poba pobo pobs pona pono ponp pons poon poop poor poos pop- popa popo popp pops pora porb porn poro porr pors posa posb posn poso poss powa powp powr pows ppan ppap ppar ppoa ppos pppa pppn pppo pppp ppps ppss pran prao prar pras praw prbs prna prnp pro- proa prob pron proo prop pros prow prps prrs prsa prso prss psap psas psaw psbr psna psnr psoa pson psos pspp pspr psps psrp pssa psso pswa pwaa pwba pwns raab raan raas raba rabb rabo rabs rana rann rano rans raob raop raos rapa rapp raps rara rarb raro rars rasa raso rasp rass rawa rawn rawr raws raww rbbb rbbr rbbs rbsp rbss rnas rnaw rnbr rnsp roab roan roap roar roas rob- roba robb robo robs rona rono rons ronw roob roon roop roor roos ropa ropo rops rora roro rosa roso rosp ross rowa rowb rown rowp rowr rows roww rpob rpon rpos rppn rpps rras rrna rrrr rrsp rsaa rsna rsnn rsno rsnr rsos rspb rspo rsps rssa s-os saab saan saap saar saas saba sabb sabo sabr sabs sana sann sano sanr sans saon saor saos sapa sapo sapp saps sara sarn saro sarp sarr sars sasa saso sass sawa sawn saws sbaa sbar sbas sbbs sbor sbsa sbsp sbwr snab snap snar snas snaw snba snns snoa snob snoo snop snor snos snow snpo snpp snra snrs soan soap soar soas soaw soba sobo sobp sobr sobs son- sona sono sons soon soop soor soos sopa sopo sopp sops sora sorb sorn soro sorr sors sosa soso soss sowa sown sowp sowr sows sp-a span spap spar spas spaw spns spon spoo spop spor spos spps spro sprs spsa spso spsp spss sras sraw srna srnn srno sros srps srsp ssaa ssab ssan ssao ssap ssas ssaw ssbn ssbr ssns ssop sspa sspo ssps ssra ssrs sssa sssb ssss ssws swab swan swap swar swas swbs swbw swob swon swoo swop swor swow swpa swss waaa waao waar waas waaw waba wabb wabn wabo wabr wabs wabw wan- wana wanb wann wano wanr wans waob waon waoo waor waos waow wapa wapb wapn wapo wapp wapr waps wapw war- wara warb warn waro warp warr wars warw wasa wasb wasn waso wasp wasr wass wawa wawb wawo waws wbaa wbab wban wbap wbar wbbb wbbn wbbo wbbp wbbr wbbs wbbw wbna wbnb wbnr wbns wbnw wbob wbon wbop wbor wbos wbow wbpw wbrb wbrn wbrp wbrr wbrs wbrw