a-ii a-iv aaaa aaai aaap aaar aaas aaav aaii aais aaoo aapa aapi aapo aaps aara aari aaro aarp aars aasa aasi aass aava aiai aias aiia aiir aioi aipa aipi aips aira airi airo airp airs aisa aisi aiso aisr aiva aopo aora aors aosp aoss apai apao apap apar apas api- apia apio apip apis apo- apoo apop apor apos appa appr apps apra apri apro aprs apsa apsi apso apss apsv arai arap arar aras aria arii ario arip aris aroa aroi aroo aror aros arpa arpi arps arr- arra arri arro arrr arrs ars- arsa arsi arso arva arvi arvo asaa asai asao asap asar asas asia asii asio asip asir asis asoi asop asor asos aspa aspi aspo aspr asps asra asro asrs assa assi asso assp assr asss asva asvs avao avar avas avia avio avip avis aviv avor avos avra avri avro avva avvo iaaa iaai iaap iaas iaia iais iapa iapp iaps iara iars iasa iasi iaso iasp iasr iava iias iiii iiio iiis iioi iioo iiop iios iipa iira iirs iisi iisp iisr ioii ioio iooi iooo ioos iops iora iori iors ioso ipas ipop ipos ippa ippo ippr ipri ipsa ipsi ipso ipsp ipss ipvs irai irao irap irar iras iri- iria irio irip iris irop irov irpa irps irra irri irrs irsa irsp irvs is-a isai isao isar isas isia isis iso- isop isor isos ispa ispr isps isra isri isrp issa issi isso issp issr isss ivai ivao ivar ivor ivrs oais oapi oaps oara oars oasi oass oavs oiav oiii oios oira ooaa ooia oooo ooos oops oora oosa oosi opap opar opia opii opio opis opo- opor opos oppa oppi oppo opps opra opsa opsi orai orao orar oras orav ori- oria orio oris oro- oror oros orpi orps orra orri orro orrs orsa orsi orso orvr orvs osai osap osar osas osia osii osip osis osoi osoo osor osos osov osro ossa ossi osso ovar ovi- ovis ovo- ovoo ovpp ovra paap paar paas paia paio paip pair pais paos papa papi papp papr paps par- para pari paro parp parr pars parv pasa pasi paso pasp pass pava pavo pavs piai piao pias piia piip pipa pipi pipo pipp pips pira piri piro pirr pirs pisa pisi piso piss piva pivo poar poas poia poio pois poop poor poos pop- popa popi popo popp pops pora pori poro porr pors posa posi poso poss povo povs ppap ppar ppoa ppos pppa pppo pppp ppps ppss prai prao prar pras pri- pria prii pris priv pro- proa proo prop pros prov prps prri prrs prsa prsi prso prss prsv psap psas psav psia psip psis psoa psoi psos psov pspi pspp pspr psps psrp pssa psso pvpa pvsa raas raia raii raip rair rais raop raos rapa rapi rapp raps rara rari raro rars rasa rasi raso rasp rass rava ravi riaa riai rias riia riis rios ripa ripi ripp ripr rips riri rirs risa risi riso risp riss riva rivo rivp rivs roap roar roas roia roio roir rois rooi roop roor roos ropa ropo rops rora rori roro rosa rosi roso rosp ross rova rovi rovo rovs rpii rpos rpps rras rrrr rrsp rsaa rsai rsis rsos rspo rsps rssa rsvp rvsp s-ii s-iv s-os saap saar saas saia saip sair sais saiv saoi saor saos sapa sapi sapo sapp saps sara sari saro sarp sarr sars sarv sasa sasi saso sass sava savi savo savs siaa siai sias siop sior sios sipa sipi sipo sipp sips sira siri siro sirp sirr sirs sisa sisi siss siva sivi soap soar soas soia soir sois soop soor soos sopa sopi sopo sopp sops sora sori soro sorr sors sosa sosi soso soss sosv sova sovo sovs sp-a spap spar spas spia spio spip spir spis spiv spoo spop spor spos spps spri spro sprs spsa spso spsp spss spva sras sris sros srps srsp ssaa ssao ssap ssas ssis ssop sspa sspo ssps ssra ssri ssrs sssa sssi ssss ssvp svar svir svor vaar vaas vaia vaio vair vais vapa vapi vara vari varp varr vars vas- vasa vasi vaso vasp vass vava vavs viar vias viii vios vipr vips vira viri viro virr visa visi viso visp viss viva vivi vivo voar voia voio voip voir vois voor vor- vora vori voro vors vosa vosi voso voss vpro vrai vrap vras vrav vria vrio vris vrsa vrsi vsip vsop vsrp vvvv