irra irre irri irrs irsa irse irsf irsp irta irte irtf irti irtp irts is-a isae isaf isai isao isar isas isat isaw isea isee iseo isep iser ises iset isfa isfp isia isie isis isit iso- isof isop isor isos ispa ispe ispf ispr isps ispw isra isri isrp issa isse issf issi isso issp issr isss ista iste isti isto istp istr ists itaa itaf itai itap itar itas itat itaw itea itep iter ites itet itfa itia itie itif itis itof itoi itoo itor itos itpa itra itrf itri itrs itsa itse itsf itsi itso itsp itta ittf itto itwa itwe iwai iwao iwar iwas iwie iwis iwiw iwpr iwps o-eo oaer oaes oafo oafs oais oapi oaps oara oare oars oase oasi oass oast oate oats oepa oeps oera oere oers oese oest oeta oeti ofas ofer off- offa offe offo offr offs ofit ofor ofra ofre ofst ofta oftp oier oies oiii oios oira oire oirt oise oist oita oiti ooaa ooer ooes ooff oofs ooia oooo ooos oops oora oore oort oosa oose oosi oost ootp oots ootw opap opar opei opep oper opes opet opia opie opii opio opis opit opo- opor opos oppa oppi oppo opps opra opsa opsi opti opto opts orae orai orao orar oras orat ore- orea oreo orer ores orfe orff orfi orfs ori- oria orie orif orio oris orit oro- oroe orof oror oros orot orpe orpi orps orra orri orro orrs orsa orse orsi orso orta orte orto orts orwa orwe orwo osaf osai osap osar osas osat osea osee osei oser oses oset osfa osia osie osii osip osis osoi osoo osor osos osow osro ossa osse ossi osso osta oste osti ostr osts otap otar otas otea otee otep oter otes otfp otif otis otit oto- otoe otof otoo otor otos otow otpp otpw otra otre otro otrs otsa otse otso otta otte otti otto otts otwo owai owar owea ower owes owfe owia owie owir owoe owow owpe owre owsa owse owt- owte owtt owwa paap paar paas paat paea paep paer paes pafa pafe paff paia paie paio paip pair pais pait paos papa pape papi papp papr paps par- para pare parf pari paro parp parr pars part pasa pase pasi paso pasp pass past pasw pata pate pati pato patr pats patt pawa pawe pawi pawo pawr paws peai peap pear peas peat peaw peep peer pees peet peff pefs peia peio peip peir peis peit peor pepa pepe pepi pepo peps per- pera pere perf peri pero perp perr pers pert pesa pese pesi peso pess pest peta pete peti peto petr pets pett pewe pews pfaa pfas pfet pfff pffr pfft pfis pfit pfps pfra pfte piaf piai piao pias piat piea piep pier pies piet pifa piff pifs piia piip piot pipa pipe pipi pipo pipp pips pira pire piri piro pirr pirs pisa pise pisi piso piss pist pita pite pitf piti pito pitr pits pitt piwi poar poas poat poea poer poes poet poff pofi poia poio pois poof poop poor poos poot pop- popa pope popi popo popp pops popt pora pore pori poro porr pors port posa pose posi poso poss post pota pote potf poti poto pots pott potw powa powe powp powr pows powt ppap ppar pper ppfa ppie ppif ppoa ppos pppa pppo pppp ppps pprf ppsf ppss ppta ppts pptt prae prai prao prar pras prat praw pre- pree pref prep pres pret prew prfs pri- pria prie prif prii pris pro- proa proe prof proo prop pros prot prow prps prri prrs prsa prse prsi prso prss prti prtp prtr psap psas psat psaw psei psfs psia psip psis psoa psoi psos pspi pspp pspr psps psrp pssa psse psso psst psts pswa ptaf ptas pter ptop ptrf ptsa pwaa pwei pwts raaf raas raat raef raep raer raes rafa rafe raff rafi raft raia raie raif raii raip rair rais rait raop raos rapa rape rapi rapp raps rapt rara rare rarf rari raro rars rasa rase rasi raso rasp rass rast rata rate ratf rati rato ratp rats ratt rawa rawe rawr raws raww rea- reae reaf reao reap rear reas reat reef reep rees reet refe reff refi refr refs reft reia reif reii reir reis reit reof reop reos reot repe repi repo repp repr reps rept rera rere reri rero rers rert resa rese resi reso resp ress rest reta rete reti reto retr rets rett rewa rewe rews rfae rfef riaa riai rias riat rief riep rier ries riet riew rifa rife riff rifs rift riia riif riis rios riot ripa ripe ripi ripp ripr rips ript rire riri rirs risa rise risi riso risp riss rist rita rite riti rito rits ritt riwo roaf roap roar roas roat roea roer roes roet rofe roff rofo roia roif roio roir rois roit roof rooi roop roor roos root ropa rope ropo rops rora rore rori roro rort rosa rose rosi roso rosp ross rost rota rote roti roto rotr rots rott rowa rowe rowf rowi rowp rowr rows rowt roww rpet rpii rpoe rpof rpos rpps rpta rpts rras rrat rrif rrrr rrsp rsaa rsaf rsai rsee rsis rsos rspo rsps rsre rssa rstp rsts rtai rtas rtee rtei rtes rtpa rtps rtss rttp rtts s-ii s-os saae saaf saap saar saas saat saer saes safa safe saff safi safo safr saft saia saie saif saip sair sais sait saoi saor saos sapa sape sapi sapo sapp saps sara sare sarf sari saro sarp sarr sars sart sasa sase sasf sasi saso sass sast sata sate sati sato satr sats satt sawa sawe sawf sawi saws sawt se-e se-f se-i se-o se-s se-t se-w seaa seaf seap sear seas seat seaw seea seef seep seer sees seet seew sefa seff sefi seft seia seie seif seii seip seir seis seit seoi seop seow sepa sepe sepi sepo sepp sepr seps sept sera