nire nirs niru nisd nise nisi nisp niss nisu niue niur nnes nnnn nnpi nnpr nnss npcc npes npic npin nppc nppd npri npss nrcs nrdc nrds nren nric nrpc nrpn nrps nrrc nrrd nrsc nrsp nscc nscd nscs nsds nsec nsep nser nsic nsin nsis nsnr nspc nspi nsps nsrc nsrd nssc nsse nssp nssr nsss nuce nuci nucs nucu nudc nudd nude nudi nuee nuer nuin nunc nune nunn nuns nupe nups nurc nurd nure nuri nurn nurp nurr nurs nuru nuse nusi nuss nusu pccc pcce pccs pcep pcer pcin pcip pcns pcpn pcpp pcps pcrc pcrd pcre pcse pcun pdci pdcp pdes pdic pdns pdpn pdpr pdrc pdrs pdsd pdss pece peci pecr pecs ped- pede pedi peds peec peed peen peep peer pees pein peip peir peis pen- penc pend pene peni penn pens penu pepd pepe pepi peps per- perc perd pere peri pern perp perr pers peru pese pesi pess pesu peun peur picc pice pici picr pics picu pide pids pied pien piep pier pies piip pinc pind pine pini pinn pinp pins pinu pipe pipi pipp pips pirc pire piri pirn pirr pirs piru pisd pise pisi piss pisu pius pnec pnes pneu pnic pnin pnpp pnsc pnup ppcc ppcd ppci ppcs ppds ppen pper ppic ppid ppie pppd pppn pppp ppps pprc ppru ppss ppur prcc prcd prcp prcs pre- prec pred pree pren prep pres preu pri- prid prie prii prin pris prnd prnp prpd prps prrd prri prrs prsc prsd prse prsi prss prud prue prus pruu psci pscu psdc psdi psdp psdr psds psec psei psid psip psis psnc psni psnr pspi pspp pspr psps psrd psrp pssc psse pu-e puce puds pudu pued puer pueu puid puin puir puis puiu punc pund pune puns punu pupe pupi pups pupu pur- pure puri purp purr purs puru pusd pusi puss puuc rccc rccs rcdc rcde rcds rcep rcic rcid rcis rcnr rcpd rcpi rcps rcrd rcsc rcsd rcsi rcss rder rdpc recc recd rece reci recp recr recs recu redc redd rede redi redr reds redu reed reen reep rees reid reii rein reir reis reiu rend rene reni renn rens renu repe repi repp repr reps repu rerd rere reri rers reru rese resi resn resp ress reue reup reus reuu ricc rice rics ridc ridd ride ridi rids ried rien riep rier ries rieu riin riis rind rine rinn ripd ripe ripi ripp ripr rips rire riri rirs risc risd rise risi risp riss risu riue rius rncp rncs rndc rndp rnds rnie rnin rnsp rpcs rpdp rpii rppn rpps rred rrrr rrsp rrun rscc rscn rscs rsdd rsds rsee rsid rsis rsnn rsnr rsps rsre ruce ruci rudd rude rudi rudp ruds rued ruen ruer rues ruid ruin ruis runc rund rune runi runn runs rupe rupp rurc rurd rure ruri rurp rurs ruru ruse rusi russ rusu ruud ruun s-ic s-ii sccc scce sccp sccs scdc scdp scds scec scee scep scer sci- scic scid scie scin scip scir scis scnd scnr scpe scpi scps scr- scrc scre scri scrn scrs scsc scsd scsi scsn scsr scsu scud scun scup scur sdcc sddc sdds sdep sder sdes sdic sdpr sdps sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-i se-n se-s se-u sec- secc secd sece secn secr secs secu sede seds seec seed seen seep seer sees seeu seid seie seii sein seip seir seis seiu send sene seni senn senr sens sepd sepe sepi sepn sepp sepr seps sepu serc serd sere seri sern serp serr sers seru sesc sese sesi sess seui seur sicc sice sici sicp sics sicu sidd side sidi sidr sids siec sied sien sier sies sind sine sini sinn sinp sins sinu sipc sipe sipi sipp sips sirc sire siri sirp sirr sirs siru sisc sisd sise sisi siss sisu siue siui sius sncc sncp sned snee snep sner snes snid snie snip snir snns snpp snrs snsd snur snus spcc spcs spdc spde spdp spdr spec sped spee spen sper spes spic spie spin spip spir spis spne spns sppd spps sprd spri sprs spsd spse spsp spss spud spue spui spun spur spus srcc srde srec sres sris srni srnn srpc srps srsd srsp sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses ssid ssin ssis ssns sspc sspe ssps ssrc ssri ssrs sssc sssi ssss suc- succ suci sucr sucs sudd sude sudi suds sued suee suen suer sues sueu suid suie suin suir suis sun- sund sune suni sunn suns sunu sup- supe supp supr sups sur- surc surd sure suri surn surp surr surs suru sus- susd suse susi susp suss susu suus u-ie u-rp ucci uccp ucdc ucdd uces ucin ucrc ucsc ucsd ucsu uddi udds uden uder udic udid udin udir udpd udsd udun uein ueir uend uepi uers uesn uess uies uipi uirr uisd uise uncc unce unci uncp uncs unde undi unds unec uned unee unen uner unes uni- unic unie unii unin unir unis unne unni unns unpc unps unrs uns- unsc unus upci upcs uped upen upic upie upin upis upne upnp uppc uppe uppp uppu upri upsc upse upsi upup urci urde urds urdu ure- ured ures uric urie urin uris uriu urne urni urns urre urri urse ursi urss ursu urun urup urur urus uscc usce uscs usdc usde usdp usds used usee usen user uses usie usin usip usis usnc usnr usnu uspc uspp usps ussc usse ussr usss ussu usui usun usus uucp uuen uuni uuri uusi uuuu