iiii iiis iiit iirs iisi iisp iisr iist iitr iitt inis init inni innr inns inny inp- inpi inpp inpt inri inrs insp inss inst inti intn intp intr ints ipin ippr ippy ipri ipsi ipsp ipss ipts iri- irin irip iris iriy irps irri irrs irsp irti irtp irts iryn isin isis isit isnt ispr isps ispy isri isrp issi issp issr isss issy isti istp istr ists isty isys itin itis itri itrs itry itsi itsp itsy itty iypt n-ii niip niir niit nini nins nipr nips nipt nirs nirt nisi nisp niss nist niti nitr nits nity niyi nnit nnnn nnpi nnpr nnss nntn npin npri nprt npss npsy nptn nrpn nrps nrsp nrts nsin nsis nsnr nspi nsps nssp nssr nsss nstp nsts ntis ntss nttr nyit nynt nyny nypt nyss nyst piip pini pinn pinp pins pint piny pipi pipp pips pipy piri pirn pirr pirs piry pisi piss pist pisy piti pitr pits pitt pity piys pnin pnpp pntr pppn pppp ppps ppss pptn ppts pptt pri- prii prin pris prnp prps prri prrs prsi prss prti prtp prtr prys psip psis psni psnr pspi pspp pspr psps psrp psst psts psy- psys pyin pyn- pynt pypy pyr- pyri pyry pyss pyst pytt riin riis rinn riny ripi ripp ripr rips ript riri rirs risi risp riss rist riti rits ritt rnin rnnt rnsp rntp rpii rppn rpps rptn rpts rrrr rrsp rsis rsnn rsnr rsps rstp rsts rtns rtps rtss rttp rtts ryip ryis rynn rynt rysy rytt ryyt s-ii siit sini sinn sinp sins sint siny sipi sipp sips sipt sipy siri sirp sirr sirs sirt sisi siss sist sisy sit- siti sitn sits sitt sity siyi snip snir snit snns snpp snrs snsy sntr snys spin spip spir spis spit spns spps spri sprs spry spsp spss spst sptr spts spy- spyr spys sris srni srnn srps srpt srsp srtp srtr ssin ssis ssit ssns ssps sspt ssri ssrs sssi ssss sstp ssts stip stir stis stit stnn stnr stns stpp stps stri strn strs stry stsi stss sttr styr stys syis syn- syns syny syrs syrt syry syss syst sytt tiit tini tinn tins tint tiny tip- tipi tipp tips tipt tiri tirr tirs tiry tisi tiss tist titi titp tits titt tiyi tiyn tnsp tnts tpir tppp tppr tprs tptp tptr tri- trin trip tris trit trpn trpp trps trsi trst trtr try- tryp trys tsin tsis tspn tsps tspt tssi tssr tsst tsts tsys ttss tttt ttys tyin tyir tynt tyny typ- typp typy tyr- tyrr tyss tyst tyti tytt tyty tyyn yins yips yirn yirr yiss yist yiti yitp ypir ypsi yrin yryn ysii ysnp yspi yyyy