issi isso issp issr isss issu isti isto istp istr ists isup isus itif itin itis itno itof itoi iton itoo itor itos itou itrf itri itrs itsf itsi itso itsp itsu ittf itto itup itur iuiu iuno iupp iuss iust n-ii n-up nfff nfip nfon nfps nfrs nfsr nfsu nfto niff nift niip niir niit niiu nini nino nins nion nioo nios niou nipr nips nipt niro nirs nirt niru nisi niso nisp niss nist nisu nitf niti nito nitr nits niur nnit nnnn nnos nnot nnpi nnpr nnss nntn nofi noif noin noio noir nois noit non- noni nonn nono nons nont nonu noo- noon nooo noop noor noos noot nops nor- norf nori norn noro norr nors nort nos- noss nost nosu not- noti noto nots nott noun noup nour nous nout npif npin npri nprt npss nptn nron nrpn nrps nrsp nrts nsfs nsin nsis nsnr nsof nsos nsou nspi nsps nssf nsso nssp nssr nsss nstp nsts nstu ntfp ntfs ntis ntnu ntof ntop ntru ntsf ntss ntsu ntto nttr ntui nuff nuin nuit nunn nuno nuns nunt nuon nups nuri nurn nurp nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu off- offo offr offs offu ofit ofno ofor ofst oftp ofus oiii oins oint oion oios oirt oist oisu oiti onir onis onit onni onno onon onor onos onpt onpu onso onst ont- onti onto onup onur onus onut ooff oofs oons oont oooo ooos oops oort oosi oost ootp oots oous opii opin opio opis opit opo- opon opor opos oppi oppo opps opsi opsu opti optn opto opts opus orff orfi orfs orfu ori- orif orin orio oris orit orni orno orns oro- orof oron oror oros orot orpi orps orri orro orrs orsi orso orsu orto orts orup orus osii osin osip osis osno osnr osoi osoo osor osos osro ossi osso ossu osti ostr osts osun otfp otif otin otis otit oto- otof oton otoo otor otos otpp otro otrs otso otsu otti otto otts ottu otur otus ouff ouii ouin ouir ouis ouit oun- our- ourn ouro ours ourt oust out- outi outo outs ouu- pfff pffr pfft pfis pfit pfps pfui piff pifs piip pini pinn pino pinp pins pint pinu pion piot pipi pipo pipp pips piri pirn piro pirr pirs piru pisi piso piss pist pisu pitf piti pito pitr pits pitt pitu pius pnin pnon pnot pnpo pnpp pnro pntr pnup poff pofi poin poio pois poni pono ponp pons pont poof poon poop poor poos poot pop- popi popo popp pops popt pori porn poro porr pors port posi posn poso poss post potf poti poto pots pott potu pouf poui poun poup pour pous pout ppif ppos pppn pppo pppp ppps pprf ppru ppsf ppss pptn ppts pptt ppur prfs pri- prif prii prin pris prnp pro- prof pron proo prop pros prot prou prps prri prrs prsi prso prss prti prtp prtr pruf prus prut pruu psfs psip psis psni psnr psoi pson psos psou pspi pspp pspr psps psrp psso psst psts pstu ptop ptrf ptui puff puft puin puir puis puit puiu puno puns punt punu pupi pups pupu pur- puri puro purp purr purs puru pusi puss pust put- puti puto puts putt putu riff rifs rift rifu riif riin riis rinf rinn rino rion rios riot riou ripi ripp ripr rips ript riri rirs risi riso risp riss rist risu riti rito rits ritt ritu rius rnin rnnt rnot rnsp rntp rnut roff rofo roif roin roio roir rois roit roiu roni rono rons ront roof rooi roon roop roor roos root ropo rops rori roro rort roru rosi roso rosp ross rost roti rotn roto rotr rots rott rouf roun roup rous rout rpii rpof rpon rpos rppn rpps rptn rpts rrif rrrr rrsp rrun rsis rsnn rsno rsnr rsos rspo rsps rstp rsts rstu rtns rtps rtss rttp rtts ruff rufo ruft ruif ruin ruis ruit runf runi runn runo runs runt rupp rupt ruri ruro rurp rurs ruru rusi ruso russ rust rusu ruti ruto ruts rutt rutu ruun s-ii s-os sfio sfnt sfor sfos sfro sfss sfsu sftp sfts siff sifo sifr sift sifu siit sini sinn sino sinp sins sint sinu sion siop sior sios siot siou sipi sipo sipp sips sipt sirf siri siro sirp sirr sirs sirt siru sisi siss sist sisu sit- siti sitn sito sits sitt situ siui sius siut snfu snip snir snit snns snoo snop snor snos snot snpo snpp snrs sntr snur snus sofi sofo soft soif soin soir sois soit son- soni sono sons sont sonu soof soon soop soor soos soot sopi sopo sopp sops sopu sori sorn soro sorr sors sort soru sosi soso soss sost sotn soto sotp sots sotu souf soun soup sour sous sout spfs spin spio spip spir spis spit spns spon spoo spop spor spos spot sppf spps spri spro sprs spso spsp spss spst spto sptr spts spui spun spur spus sput srfi sris srni srnn srno sros srps srpt srsp srtp srtr ssfp ssin ssis ssit ssns ssop ssot sspf sspo ssps sspt ssri ssrs sssf sssi ssss sstp ssts stfn stfu stif stio stip stir stis stit stnn stnr stns stof ston stoo stop stor stos stot stou stpf stpp stps stri strn stro strs stru stsf stsi stss sttr stuf stun stup stur stus stut suf- suff sufi sufr sufs sufu suin suio suir suis suit sun- suni sunn suno suns sunt sunu suor suos sup- supo supp supr sups supt sur- surf suri surn suro surp surr surs surt suru sus- susi suso susp suss sust susu suti suto sutu suus tfin tfnp tfot tfpt tfrs tfsi tfss tftp tiff tifo tift tiit tiiu tini tinn tino tins tint tinu tion tiop tios tiou tip- tipi tipo tipp tips tipt tipu tiri tiro tirr tirs tiru tisi tiso tiss tist titi tito titp tits titt titu tnsp tnts tnut toff