iiii iiis iiit iirs iisi iisp iisr iist iisu iitr iitt ilin ilir ilis ilit ill- illi illp ills illt ilni ilpr ilts ilus ilut inis init inni innr inns innu inp- inpi inpp inpt inri inrs insp inss inst insu inti intl intn intp intr ints intu inui inul inun inup inus ipil ipin ippr ipri ipsi ipsp ipss ipts ipur ipus iput iri- iril irin irip iris irps irri irrs irsp irti irtp irts irul irun irus isil isin isis isit isls isnt ispr isps isri isrp issi issp issr isss issu isti istp istr ists isup isus itil itin itis itll itri itrs itsi itsp itsu itup itur iuiu iupp iuss iust liii liin liir liis lili lill lils lilt lilu linn lins lint lip- lipi lipl lipp lips lipu liri lirl lirn lirp lirr lirs lirt liru lisi lisp liss list lisu liti litl litr lits litt litu liun lius liut llll llps lnts lpns lppl lprp lpss lrps lrpu lrrr lrst lrts ls-r lspl lspr lssp lssr lsts ltns ltnt ltps ltrs ltsi ltsp ltsr lttr luin luis luit luli lull lulu luni lunn luns lunt lupi lupu luri lurs lurt lusi luss lust luti luts luup n-ii n-up niip niir niit niiu nili nill nilp nils nilt nilu nini ninl nins nipr nips nipt nirs nirt niru nisi nisl nisp niss nist nisu niti nitr nits niur nlls nlrp nlsp nnit nnls nnnn nnpi nnpr nnsl nnss nntn npin nppl npri nprt npsl npss nptn nrpn nrps nrrl nrsp nrtl nrts nsin nsis nslp nslr nsls nsnr nspi nsps nsrl nssp nssr nsss nstl nstp nsts nstu ntis ntnu ntrl ntru ntss ntsu nttr ntui nuin nuit nuli null nunn nuns nunt nups nuri nurl nurn nurp nurr nurs nurt nuru nusi nusl nuss nust nusu nuts nutt nutu piip pil- pili pill pils pilt pilu pini pinn pinp pins pint pinu pipi pipp pips piri pirl pirn pirr pirs piru pisi piss pist pisu piti pitr pits pitt pitu pius plin plip plis plit plnt plpp plri plsi plss pltt plup plur plus pnin pnln pnnl pnpp pntl pntr pnup ppli pppn pppp ppps ppru ppss pptn ppts pptt ppur pri- prii prin pris prlr prls prnp prps prri prrs prsi prsl prss prti prtp prtr prus prut pruu psil psip psis psni psnr pspi pspp pspr psps psrp psst psts pstu ptui puin puir puis puit puiu puli pull pulp puls pult pulu puns punt punu pupi pupl pups pupu pur- puri purl purp purr purs puru pusi puss pust put- puti puts putt putu riin riis rill rilp rilu rinn ripi ripl ripp ripr rips ript riri rirs risi risp riss rist risu riti ritl rits ritt ritu rius rlin rlls rnin rnli rnnt rnsp rntp rnut rpii rpls rppn rpps rptn rpts rrrr rrsp rrun rsis rslp rsnn rsnr rsps rssl rstp rsts rstu rtls rtlt rtns rtps rtss rttp rtts ruin ruis ruit rull runi runn runs runt rupp rupt ruri rurp rurs ruru rusi russ rust rusu ruti rutl ruts rutt rutu ruun s-ii siit sil- sili sill sils silt silu sini sinn sinp sins sint sinu sipi sipp sips sipt siri sirp sirr sirs sirt siru sisi siss sist sisu sit- siti sitn sits sitt situ siui sius siut sl-i slip slir slit slln sllp slpi slpp slps slrn slrp slrs slst slsu slts slup slur slut snip snir snit snns snpp snrs sntr snur snus spin spip spir spis spit splp splr spls spns spps spri sprs spsp spss spst sptr spts spui spun spur spus sput sris srni srnn srps srpt srsp srtp srtr ssin ssis ssit sslp sslt ssns sspl ssps sspt ssri ssrl ssrs sssi ssss sstl sstp ssts stil stip stir stis stit stln stlt stnn stnr stns stpp stps stri strn strs stru stsi stss sttr stul stun stup stur stus stut suin suir suis suit sul- suli sull sulp sult sulu sun- suni sunn suns sunt sunu sup- supp supr sups supt sur- suri surn surp surr surs surt suru sus- susi susp suss sust susu suti sutu suus tiit tiiu till tiln tilr tils tilt tini tinn tins tint tinu tip- tipi tipp tips tipt tipu tiri tirl tirr tirs tiru tisi tiss tist titi titp tits titt titu tlli tlrs tnsp tnts tnut tpir tpls tppp tppr tprs tptp tptr tput tri- tril trin trip tris trit trpn trpp trps trsi trst trtr trun trus trut truu tsin tsis tspn tsps tspt tssi tssr tsst tsts tsui tsun tsup ttss tttt ttul tuil tuin tuis tuit tuiu tuli tull tulp tulu tuni tunn tuns tunu tupi tups tupu turi turn turp turr turs turt turu tusi tuss tust tuti tutl tuts tutt tutu u-rp uint uipi uirr uist uits ulli ullr ulti ults ultt ulul ulus uni- unii unin unir unis unit unlp unni unns unps unrs uns- unst unts unus unut upin upis upnp uppp uppu upri upsi uptl upup urin uris uriu urls urni urns urri ursi urss ursu urts urun urup urur urus urut usin usip usis uslp uslu usnr usnu uspp usps ussr usss usst ussu usti ustp usts usui usul usun usus util utin utis utri utsl utti uttu uulu uuni uuri uusi uuuu