iiii iiis iiit iisi iisp iist iitt ilis ilit ill- illi illp ills illt illy ilts ipil ippy ipsi ipsp ipss ipts isil isis isit isls isly isps ispy issi issp isss issy isti istp ists isty isyl isys itil itis itll itsi itsp itsy itty iypt liii liis lili lill lils lilt lily lip- lipi lipl lipp lips lipy lisi lisp liss list lisy liti litl lits litt lity liyl llll llps lppl lpss lpys lspl lssp lsts ltps ltsi ltsp lyit lyly lys- lysi lysl lyss lyst lytt piip pil- pili pill pils pilt pily pipi pipp pips pipy pisi piss pist pisy piti pits pitt pity piys plip plis plit plpp plsi plss pltt plyt ppli pppp ppps ppss ppts pptt psil psip psis pspi pspp psps psst psts psy- psys pyl- pyli pyll pypy pyss pyst pytt s-ii siit sil- sili sill sils silt sipi sipp sips sipt sipy sisi siss sist sisy sit- siti sits sitt sity siyi sl-i slip slit sllp slpi slpp slps slst slts slyp slys spip spis spit splp spls spps spsp spss spst spts spy- spys ssis ssit sslp sslt sspl ssps sspt sssi ssss sstl sstp ssts stil stip stis stit stlt stpp stps stsi stss styl stys syis syl- syli syll syls sylt syss syst sytt tiit till tils tilt tily tip- tipi tipp tips tipt tisi tiss tist titi titp tits titt tiyi tlli tpls tppp tptp tsis tsps tspt tssi tsst tsts tsys ttss tttt ttyl ttys tyl- tyll typ- typp typy tyss tyst tyti tytt tyty yili yill yilt yips yiss yist yiti yitp ylli ylls ypsi ysii yspi yyyy