iiii iiis iirs iisi iisp iisr iisu ilir ilis ill- illi illp ills illy ilpr ilus iluy ipil ippr ippy ipri ipsi ipsp ipss ipur ipus iri- iril irip iris iriy irps irri irrs irsp irul irus isil isis isls isly ispr isps ispy isri isrp issi issp issr isss issu issy isup isus isyl isys iuiu iupp iuss liii liir liis lili lill lils lilu lily lip- lipi lipl lipp lips lipu lipy liri lirl lirp lirr lirs liru liry lisi lisp liss lisu lisy lius liyl liyu llll llps llyr lppl lprp lpss lpys lrps lrpu lrrr lrry ls-r lspl lspr lssp lssr luis luli lull lulu lupi lupu luri lurs lury lusi luss luup luyi luys lyly lys- lysi lysl lyss piip pil- pili pill pils pilu pily pipi pipp pips pipy piri pirl pirr pirs piru piry pisi piss pisu pisy pius piys plip plis plpp plri plsi plss plup plur plus ppli pppp ppps ppru ppss ppur pri- prii pris prlr prls prps prri prrs prsi prsl prss prus pruu prys psil psip psis pspi pspp pspr psps psrp psy- psys puir puis puiu puli pull pulp puls pulu puly pupi pupl pups pupu pupy pur- puri purl purp purr purs puru pury pusi puss puy- puyi puys pyl- pyli pyll pypy pyr- pyri pyrl pyry pyss riis rill rilp rilu rily ripi ripl ripp ripr rips riri rirs risi risp riss risu rius rlls rlys rpii rpls rpps rrrr rrsp rsis rslp rsps rssl ruis rull ruly rupp rupy ruri rurp rurs ruru rusi russ rusu rusy ruyi ruyl ruys ryip ryis rysy s-ii sil- sili sill sils silu sipi sipp sips sipy siri sirp sirr sirs siru sisi siss sisu sisy siui sius siyi siyu sl-i slip slir sllp slpi slpp slps slrp slrs slsu slup slur slyp slys spip spir spis splp splr spls spps spri sprs spry spsp spss spui spur spus spy- spyr spys sris srps srsp ssis sslp sspl ssps ssri ssrl ssrs sssi ssss suir suis sul- suli sull sulp sulu sup- supp supr sups supy sur- suri surp surr surs suru sury sus- susi susp suss susu susy suus suyi suyr suyu syis syl- syli syll syls syrs syry syss u-rp uipi uirr ulli ullr ully ulul ulus ulys upis uppp uppu uppy upri upsi upsy upup uris uriu urls urri urry ursi urss ursu ursy urup urur urus usip usis uslp uslu uspp usps ussr usss ussu ussy usui usul usus uulu uuri uusi uuuu uyir yili yill yips yirr yiss ylli ylls ypir ypsi yrly ysii yspi yssu yuli yuls yulu yupi yups yuri yury yuyu yyyy