i-no iiii iiio iiis iiit iino iioi iioo iiop iios iirs iisi iisp iisr iist iitr iitt inis init inni inno innr inns ino- inoi inon inor inos inot inp- inpi inpp inpt inri inro inrs inso insp inss inst inti intn into intp intr ints ioii ioio ioit ioni ionn iono ions iooi iooo ioos iops iori iors ioso ioto ipin ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts iri- irin irio irip iris iron irop irps irri irrs irsp irti irtp irts isin isis isit isno isnt iso- ison isop isor isos ispr isps isri isrp issi isso issp issr isss isti isto istp istr ists itin itis itno itoi iton itoo itor itos itri itrs itsi itso itsp itto n-ii niip niir niit nini nino nins nion nioo nios nipr nips nipt niro nirs nirt nisi niso nisp niss nist niti nito nitr nits nnit nnnn nnos nnot nnpi nnpr nnss nntn noin noio noir nois noit non- noni nonn nono nons nont noo- noon nooo noop noor noos noot nops nor- nori norn noro norr nors nort nos- noss nost not- noti noto nots nott npin npri nprt npss nptn nron nrpn nrps nrsp nrts nsin nsis nsnr nsos nspi nsps nsso nssp nssr nsss nstp nsts ntis ntop ntss ntto nttr oiii oins oint oion oios oirt oist oiti onir onis onit onni onno onon onor onos onpt onso onst ont- onti onto oons oont oooo ooos oops oort oosi oost ootp oots opii opin opio opis opit opo- opon opor opos oppi oppo opps opsi opti optn opto opts ori- orin orio oris orit orni orno orns oro- oron oror oros orot orpi orps orri orro orrs orsi orso orto orts osii osin osip osis osno osnr osoi osoo osor osos osro ossi osso osti ostr osts otin otis otit oto- oton otoo otor otos otpp otro otrs otso otti otto otts piip pini pinn pino pinp pins pint pion piot pipi pipo pipp pips piri pirn piro pirr pirs pisi piso piss pist piti pito pitr pits pitt pnin pnon pnot pnpo pnpp pnro pntr poin poio pois poni pono ponp pons pont poon poop poor poos poot pop- popi popo popp pops popt pori porn poro porr pors port posi posn poso poss post poti poto pots pott ppos pppn pppo pppp ppps ppss pptn ppts pptt pri- prii prin pris prnp pro- pron proo prop pros prot prps prri prrs prsi prso prss prti prtp prtr psip psis psni psnr psoi pson psos pspi pspp pspr psps psrp psso psst psts ptop riin riis rinn rino rion rios riot ripi ripp ripr rips ript riri rirs risi riso risp riss rist riti rito rits ritt rnin rnnt rnot rnsp rntp roin roio roir rois roit roni rono rons ront rooi roon roop roor roos root ropo rops rori roro rort rosi roso rosp ross rost roti rotn roto rotr rots rott rpii rpon rpos rppn rpps rptn rpts rrrr rrsp rsis rsnn rsno rsnr rsos rspo rsps rstp rsts rtns rtps rtss rttp rtts s-ii s-os siit sini sinn sino sinp sins sint sion siop sior sios siot sipi sipo sipp sips sipt siri siro sirp sirr sirs sirt sisi siss sist sit- siti sitn sito sits sitt snip snir snit snns snoo snop snor snos snot snpo snpp snrs sntr soin soir sois soit son- soni sono sons sont soon soop soor soos soot sopi sopo sopp sops sori sorn soro sorr sors sort sosi soso soss sost sotn soto sotp sots spin spio spip spir spis spit spns spon spoo spop spor spos spot spps spri spro sprs spso spsp spss spst spto sptr spts sris srni srnn srno sros srps srpt srsp srtp srtr ssin ssis ssit ssns ssop ssot sspo ssps sspt ssri ssrs sssi ssss sstp ssts stio stip stir stis stit stnn stnr stns ston stoo stop stor stos stot stpp stps stri strn stro strs stsi stss sttr tiit tini tinn tino tins tint tion tiop tios tip- tipi tipo tipp tips tipt tiri tiro tirr tirs tisi tiso tiss tist titi tito titp tits titt tnsp tnts tois toit toni tonn tono tons toon toor toos toot top- topi topo topp tops topt tori torn toro torp torr tors tort tosi toso toss tost toti toto totr tots tott tpir tpon tppp tppr tprs tptp tptr tri- trin trio trip tris trit trno troi tron troo trop tros trot trpn trpp trps trsi trst trtr tsin tsis tsoi tsop tsos tspn tspo tsps tspt tssi tssr tsst tsts tton ttop ttss tttt