nirs niru nise nisi nisl niss nisu niue niur nlcc nlcf nlcs nlec nler nlic nlls nlsc nnes nnls nnnn nnsl nnss nrcs nren nrfc nric nrrc nrrl nrsc nscc nscl nscs nsec nsel nser nsfc nsfs nsic nsin nsis nslr nsls nsnr nsrc nsrl nssc nsse nssf nssr nsss nuce nuci nucs nucu nuee nuel nuer nuff nuin nule nuli null nunc nune nunn nuns nurc nure nuri nurl nurn nurr nurs nuru nuse nusi nusl nuss nusu rccc rccs rcfc rcic rcis rcle rcls rcnl rcnr rcsc rcsi rcsl rcss recc rece reci recr recs recu reef reel reen rees refe reff refi refl refn refr refs refu reif reii reil rein reir reis reiu rele rell rels rene reni renn rens renu rere reri rers reru rese resi resn ress reue reuf reul reus reuu rfef rffc rffl rfic ricc rice rics rief riel rien rier ries rieu rife riff rifs rifu riif riin riis rile rill rilu rine rinf rinn rire riri rirs risc rise risi riss risu riue rius rlcs rlee rlef rleu rlif rlin rlls rncs rnie rnin rnli rrfc rrif rrle rrrr rrun rscc rscn rscs rsee rsfc rsis rslc rsnn rsnr rsre rssl ruce ruci ruel ruen ruer rues rufc rufe ruff ruif ruin ruis rule rull runc rune runf runi runn runs rurc rure ruri rurs ruru ruse rusi russ rusu ruun s-ic s-ii sccc scce sccl sccs scec scee scel scer scfc scfe scfi sci- scic scie scif scil scin scir scis scl- sclc scls scnr scr- scrc scre scri scrn scrs scsc scsi scsl scsn scsr scsu scul scun scur se-c se-e se-f se-i se-n se-s se-u sec- secc sece secn secr secs secu seec seef seel seen seer sees seeu seff sefi sefl seie seif seii seil sein seir seis seiu sele self seli sell sels selu sene seni senn senr sens serc sere serf seri sern serr sers seru sesc sese sesi sess seui seul seur sfcc sfcs sfer sffc sflc sfls sfne sfrc sfss sfsu sicc sice sici sics sicu siec sief siel sien sier sies sife siff sifl sifr sifu sil- silc sile silf sili sill sils silu sine sini sinn sins sinu sirc sire sirf siri sirr sirs siru sisc sise sisi siss sisu siue siui sius sl-i slcc slcu slee sler sles slic slie slir slln slrc slre slrn slrs slsc slsu sluc slue slur sncc sncf snee snel sner snes snfu snie snir snlf snns snrs snur snus srcc srec sres srfc srfi sris srni srnn sscc ssce ssci sscs ssec ssee sses ssfc ssfl ssin ssis sslc ssle ssns ssrc ssri ssrl ssrs sssc sssf sssi ssss suc- succ suci sucr sucs suee suel suen suer sues sueu suf- sufc suff sufi sufr sufs sufu suie suin suir suis sul- sulc sule sulf suli sull sulu sun- sune suni sunn suns sunu sur- surc sure surf suri surn surr surs suru sus- suse susi suss susu suus u-ie ucci ucel uces ucil ucin ucrc ucsc ucsf ucsu uein ueir uele ueli uell uers uesn uess ufcu ufel ufer uffe uies uile uirr uise ulcc ulee ulen ules ulfe ulic ulie ulle ulli ullr ulne ulul ulus uncc unce uncf unci uncl uncs unec unee unef unen uner unes uni- unic unie unif unii unin unir unis unle unlf unne unni unns unrf unrs uns- unsc unus urci ure- ures urfe urff urfi uric urie urif urin uris uriu urle urls urne urni urns urre urri urse ursi urss ursu urun urur urus uscc usce uscf uscs usee usef usel usen user uses usfc usfi usfl usfs usie usif usin usis usle uslu usnc usnr usnu ussc usse ussf ussr usss ussu usui usul usun usus uuen uulu uuni uuri uusi uuuu