iiii iiis iisi iisp iisu ilis ill- illi illp ills illy ilus iluy ipil ippy ipsi ipsp ipss ipus isil isis isls isly isps ispy issi issp isss issu issy isup isus isyl isys iuiu iupp iuss liii liis lili lill lils lilu lily lip- lipi lipl lipp lips lipu lipy lisi lisp liss lisu lisy lius liyl liyu llll llps lppl lpss lpys lspl lssp luis luli lull lulu lupi lupu lusi luss luup luyi luys lyly lys- lysi lysl lyss piip pil- pili pill pils pilu pily pipi pipp pips pipy pisi piss pisu pisy pius piys plip plis plpp plsi plss plup plus ppli pppp ppps ppss psil psip psis pspi pspp psps psy- psys puis puiu puli pull pulp puls pulu puly pupi pupl pups pupu pupy pusi puss puy- puyi puys pyl- pyli pyll pypy pyss s-ii sil- sili sill sils silu sipi sipp sips sipy sisi siss sisu sisy siui sius siyi siyu sl-i slip sllp slpi slpp slps slsu slup slyp slys spip spis splp spls spps spsp spss spui spus spy- spys ssis sslp sspl ssps sssi ssss suis sul- suli sull sulp sulu sup- supp sups supy sus- susi susp suss susu susy suus suyi suyu syis syl- syli syll syls syss uipi ulli ully ulul ulus ulys upis uppp uppu uppy upsi upsy upup usip usis uslp uslu uspp usps usss ussu ussy usui usul usus uulu uusi uuuu yili yill yips yiss ylli ylls ypsi ysii yspi yssu yuli yuls yulu yupi yups yuyu yyyy