iiii iiio iiis iiit iioi iioo iiop iios iirs iisi iisp iisr iist iitr iitt ioii ioio ioit iooi iooo ioos iops iori iors ioso ioto ipix ipop ipos ippo ippr ippy ipri ipsi ipso ipsp ipss ipto ipts iri- irio irip iris irix iriy irop irps irri irrs irsp irti irtp irts isis isit iso- isop isor isos ispr isps ispy isri isrp issi isso issp issr isss issy isti isto istp istr ists isty isys itis itoi itoo itor itos itri itrs itry itsi itso itsp itsy itto itty ixos ixxi iyos iypt oiii oios oirt oiry oist oiti oooo ooos oops oort oory oosi oost ootp oots ooty opii opio opis opit opo- opor opos oppi oppo opps oppy opry opsi opsy opti opto opts ori- orio oris orit orix oro- oror oros orot oroy orpi orps orri orro orrs orry orsi orso orsy orto orts orys oryx osii osip osis osoi osoo osor osos osro ossi osso ossy osti ostr osts osyp osyt otis otit oto- otoo otor otos otoy otpp otro otrs otry otso otti otto otts otyr oxi- oxis oxo- oxos oxox oxsi oxxo oxy- oyri oyss oyst piip piot pipi pipo pipp pips pipy piri piro pirr pirs piry pisi piso piss pist pisy piti pito pitr pits pitt pitx pity pixo pixx pixy piyo piys poio pois poix poop poor poos poot pop- popi popo popp pops popt popy pori poro porr pors port pory posi poso poss post posy poti poto pots pott poty poxy poyo poyr poys ppos pppo pppp ppps ppss ppts pptt pri- prii pris prix pro- proo prop pros prot prox prps prri prrs prsi prso prss prti prtp prtr prys psip psis psoi psos pspi pspp pspr psps psrp psso psst psts psy- psys ptop ptox pyo- pyos pyot pypy pyr- pyri pyro pyry pyss pyst pytt riis rios riot ripi ripp ripr rips ript riri rirs risi riso risp riss rist riti rito rits ritt rixo rixy riyo roio roir rois roit rooi roop roor roos root roox ropo rops ropy rori roro rort rory rosi roso rosp ross rost rosy roti roto rotr rots rott roty roxo roxy roys royt rpii rpix rpos rpps rpts rrrr rrsp rsis rsos rspo rsps rstp rsts rtps rtss rttp rtts ryip ryis ryot rysy rytt ryyt s-ii s-os siit siop sior sios siot siox sipi sipo sipp sips sipt sipy siri siro sirp sirr sirs sirt sisi siss sist sisy sit- siti sito sits sitt sity sixo sixt sixx siyi soir sois soit soop soor soos soot sooy sopi sopo sopp sops sopy sori soro sorr sors sort sory sosi soso soss sost soto sotp sots soxs soyo soys soyt spio spip spir spis spit spix spoo spop spor spos spot spox spoy spps spri spro sprs spry spso spsp spss spst spto sptr spts spy- spyr spys sris sros srps srpt srpx srsp srtp srtr ssis ssit ssop ssot sspo ssps sspt sspx ssri ssrs sssi ssss sstp ssts stio stip stir stis stit stix stoo stop stor stos stot stox stoy stpp stps stri stro strs stry stsi stss sttr styr stys styx syis sypo syro syrs syrt syry syso syss syst sytt syxt tiit tiop tios tip- tipi tipo tipp tips tipt tiri tiro tirr tirs tiry tisi tiso tiss tist titi tito titp tits titt tixt tiyi tiyo to-y tois toit toor toos toot top- topi topo topp tops topt tori toro torp torr tors tort torx tory tosi toso toss tost tosx tosy toti toto totr tots tott toty tox- toxi toxo toxs toxt toyo toys toyt tpir tppp tppr tprs tptp tptr tpyo tri- trio trip tris trit trix troi troo trop tros trot trox troy trpp trps trsi trst trtr try- tryo tryp trys tsis tsix tsoi tsop tsos tsoy tspo tsps tspt tssi tssr tsst tsts tsys ttop ttoy ttss tttt ttys txii txtr tyir typ- typo typp typy tyr- tyro tyrr tyss tyst tyti tyto tytt tyty tyxt xiii xisi xist xito xixi xois xoro xorp xors xoxo xoyo xpot xpto xtro xtry xtsr xxii xxix xxxi xxxo xxxx xxxy xyr- xyst yips yirr yiss yist yiti yitp yoit yoix yoop yoot yopo yopy yori yoro yort yory yosi yoso yost yott yoyo ypir ypsi ysii ysop yspi yyyy