iiii iiio iiis iiit iioi iioo iiop iios iirs iisi iisp iisr iist iitr iitt ilio ilir ilis ilit ill- illi illo illp ills illt iloo ilos ilot ilpr ilts ioii ioio ioit iolo iooi iooo ioos iopl iops iori iors ioso ioto ipil iplo ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts iri- iril irio irip iris irop irps irri irrs irsp irti irtp irts isil isis isit isls iso- isol isop isor isos ispr isps isri isrp issi isso issp issr isss isti isto istp istr ists itil itis itll itoi itol itoo itor itos itri itrs itsi itso itsp itto liii liir liis lili lill lilo lils lilt lio- lior lios lip- lipi lipl lipo lipp lips liri lirl liro lirp lirr lirs lirt lisi liso lisp liss list liti litl lito litr lits litt llll lloo llps loir lois loit loli loll lolo lols lool loop loor loos loot lopi lopp lops lori loro lors losi loso losp loss lost loti lotl loto lotr lots lott lppl lprp lpss lroi lrps lrrr lrst lrts ls-r lspl lspr lsso lssp lssr lsts ltps ltrs ltsi ltsp ltsr lttr oiii oils oios oirt oist oiti olio olis olit olli ollo olor olos olot olsi olst oolo oooo ooos oops oort oosi oost ootp oots opii opio opis opit opls opo- opor opos oppi oppo opps opsi opti opto opts ori- oril orio oris orit orlo oro- oror oros orot orpi orps orri orro orrs orsi orso orto orts osii osip osis osli oslo osoi osoo osor osos osro ossi osso osti ostr osts otis otit oto- otoo otor otos otpp otro otrs otso otti otto otts piip pil- pili pill pilo pils pilt piot pipi pipo pipp pips piri pirl piro pirr pirs pisi piso piss pist piti pito pitr pits pitt plio plip plis plit ploo plop plos plot plpp plri plsi plss pltt poil poio pois poli poll polo pols polt pool poop poor poos poot pop- popi popo popp pops popt pori poro porr pors port posi poso poss post poti poto pots pott ppli pplo ppos pppo pppp ppps ppss ppts pptt pri- prii pris prlr prls pro- prol proo prop pros prot prps prri prrs prsi prsl prso prss prti prtp prtr psil psip psis psoi psol psos pspi pspp pspr psps psrp psso psst psts ptol ptop riis rill rilo rilp riol rios riot ripi ripl ripp ripr rips ript riri rirs risi riso risp riss rist riti ritl rito rits ritt rlls roil roio roir rois roit roll rolo rolp rolt rooi rool roop roor roos root ropo rops rori roro rort rosi roso rosp ross rost roti rotl roto rotr rots rott rpii rpls rpos rpps rpts rrrr rrsp rsis rslp rsos rspo rsps rssl rstp rsts rtls rtlt rtps rtss rttp rtts s-ii s-os siit sil- sili sill silo sils silt siol siop sior sios siot sipi sipo sipp sips sipt siri siro sirp sirr sirs sirt sisi siss sist sit- siti sito sits sitt sl-i slip slir slit sllp sloo slop slos slot slpi slpp slps slrp slrs slst slts soil soir sois soit soli soll solo solp solr sols solt sool soop soor soos soot sopi sopo sopp sops sori soro sorr sors sort sosi soso soss sost sotl soto sotp sots spio spip spir spis spit splo splp splr spls spoo spop spor spos spot spps spri spro sprs spso spsp spss spst spto sptr spts sris sros srps srpt srsp srtp srtr ssis ssit sslp sslt ssop ssot sspl sspo ssps sspt ssri ssrl ssrs sssi ssss sstl sstp ssts stil stio stip stir stis stit stlo stlt stol stoo stop stor stos stot stpp stps stri stro strs stsi stss sttr tiit till tilo tilr tils tilt tiop tios tip- tipi tipo tipp tips tipt tiri tirl tiro tirr tirs tisi tiso tiss tist titi tito titp tits titt tlli tlos tlrs toil tois toit tol- toli toll tolo tolt tool toor toos toot top- topi topo topp tops topt tori toro torp torr tors tort tosi toso toss tost toti toto totr tots tott tpir tpls tpol tppp tppr tprs tptp tptr tri- tril trio trip tris trit troi troo trop tros trot trpp trps trsi trst trtr tsis tsoi tsol tsop tsos tspo tsps tspt tssi tssr tsst tsts ttop ttss tttt