a-ii aaaa aaai aaap aaar aaas aaii aais aaoo aapa aapi aapo aaps aapt aara aari aaro aarp aars aart aasa aasi aass aast aata aatt aiai aias aiia aiir aioi aipa aipi aips aira airi airo airp airs airt aisa aisi aiso aisr aist aita aiti aitr aits aitt aopo aora aors aort aosp aoss apai apao apap apar apas apat api- apia apio apip apis apit apo- apoo apop apor apos apot appa appr apps appt apra apri apro aprs aprt apsa apsi apso apss apta apti apts aptt arai arap arar aras arat aria arii ario arip aris arit aroa aroi aroo aror aros arpa arpi arps arr- arra arri arro arrr arrs arrt ars- arsa arsi arso arst arta arti arto artr arts asaa asai asao asap asar asas asat asia asii asio asip asir asis asit asoi asop asor asos asot aspa aspi aspo aspr asps aspt asra asro asrs assa assi asso assp assr asss asst asta asti asto astp astr asts at-t ataa atai atap atar atas atat atia atip atis atit atoi atop ator atos atot atpr atra atri atro atrp atsi atst atta atti atto attp attr atts iaaa iaai iaap iaas iaat iaia iais iapa iapp iaps iapt iara iars iart iasa iasi iaso iasp iasr iata iati iias iiii iiio iiis iiit iioi iioo iiop iios iipa iira iirs iisi iisp iisr iist iita iitr iitt ioii ioio ioit iooi iooo ioos iops iora iori iors ioso iota ioto ipas ipat ipop ipos ippa ippo ippr ipri ipsa ipsi ipso ipsp ipss ipta ipto ipts irai irao irap irar iras iri- iria irio irip iris irop irpa irps irra irri irrs irsa irsp irta irti irtp irts is-a isai isao isar isas isat isia isis isit iso- isop isor isos ispa ispr isps isra isri isrp issa issi isso issp issr isss ista isti isto istp istr ists itaa itai itap itar itas itat itia itis itoi itoo itor itos itpa itra itri itrs itsa itsi itso itsp itta itto oais oapi oaps oara oars oasi oass oast oats oiii oios oira oirt oist oita oiti ooaa ooia oooo ooos oops oora oort oosa oosi oost ootp oots opap opar opia opii opio opis opit opo- opor opos oppa oppi oppo opps opra opsa opsi opti opto opts orai orao orar oras orat ori- oria orio oris orit oro- oror oros orot orpi orps orra orri orro orrs orsa orsi orso orta orto orts osai osap osar osas osat osia osii osip osis osoi osoo osor osos osro ossa ossi osso osta osti ostr osts otap otar otas otis otit oto- otoo otor otos otpp otra otro otrs otsa otso otta otti otto otts paap paar paas paat paia paio paip pair pais pait paos papa papi papp papr paps par- para pari paro parp parr pars part pasa pasi paso pasp pass past pata pati pato patr pats patt piai piao pias piat piia piip piot pipa pipi pipo pipp pips pira piri piro pirr pirs pisa pisi piso piss pist pita piti pito pitr pits pitt poar poas poat poia poio pois poop poor poos poot pop- popa popi popo popp pops popt pora pori poro porr pors port posa posi poso poss post pota poti poto pots pott ppap ppar ppoa ppos pppa pppo pppp ppps ppss ppta ppts pptt prai prao prar pras prat pri- pria prii pris pro- proa proo prop pros prot prps prri prrs prsa prsi prso prss prti prtp prtr psap psas psat psia psip psis psoa psoi psos pspi pspp pspr psps psrp pssa psso psst psts ptas ptop ptsa raas raat raia raii raip rair rais rait raop raos rapa rapi rapp raps rapt rara rari raro rars rasa rasi raso rasp rass rast rata rati rato ratp rats ratt riaa riai rias riat riia riis rios riot ripa ripi ripp ripr rips ript riri rirs risa risi riso risp riss rist rita riti rito rits ritt roap roar roas roat roia roio roir rois roit rooi roop roor roos root ropa ropo rops rora rori roro rort rosa rosi roso rosp ross rost rota roti roto rotr rots rott rpii rpos rpps rpta rpts rras rrat rrrr rrsp rsaa rsai rsis rsos rspo rsps rssa rstp rsts rtai rtas rtpa rtps rtss rttp rtts s-ii s-os saap saar saas saat saia saip sair sais sait saoi saor saos sapa sapi sapo sapp saps sara sari saro sarp sarr sars sart sasa sasi saso sass sast sata sati sato satr sats satt siaa siai sias siat siit siop sior sios siot sipa sipi sipo sipp sips sipt sira siri siro sirp sirr sirs sirt sisa sisi siss sist sit- sita siti sito sits sitt soap soar soas soat soia soir sois soit soop soor soos soot sopa sopi sopo sopp sops sora sori soro sorr sors sort sosa sosi soso soss sost sota soto sotp sots sp-a spap spar spas spat spia spio spip spir spis spit spoo spop spor spos spot spps spri spro sprs spsa spso spsp spss spst spta spto sptr spts sras sris sros srps srpt srsp srta srtp srtr ssaa ssao ssap ssas ssat ssis ssit ssop ssot sspa sspo ssps sspt ssra ssri ssrs sssa sssi ssss ssta sstp ssts stai stap star stas stat stia stio stip stir stis stit stoa stoo stop stor stos stot stpp stps stra stri stro strs stsi stss sttr taa- taar taas taat taia taio taip tair tais tait taoa taor taos tapa tapi tapo tapp tapr taps tapt tara tari taro tarp tarr tars tart tasa tasi tasp tasr tass tast tata tati tato tatr tats tatt tiaa tiao tiar tias tiit tiop tios tip- tipa tipi tipo tipp tips tipt tira tiri tiro tirr tirs tisa tisi tiso tiss tist tita titi tito titp tits titt toas toat tois toit tooa toor toos toot top- topa topi topo topp tops topt tora tori toro