nier nies nigc nige nigg nigs niir niiu nine ning nini nins nire nirs niru nise nisi niss nisu niue niur nnes nngn nnnn nnss nrcs nren nric nrrc nrsc nscc nscs nseb nsec nser nsic nsin nsis nsnr nsrc nssb nssc nsse nssr nsss nsub nubc nube nubi nubs nuce nuci nucs nucu nuee nuer nugs nuin nunc nune nung nunn nuns nurc nure nuri nurn nurr nurs nuru nuse nusi nuss nusu rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcgc rcic rcis rcnr rcrg rcsc rcsi rcss rebb rebe rebs rebu recc rece reci recr recs recu reeb reen rees rege regi regn regr regs regu reii rein reir reis reiu rene reng reni renn rens renu rere rerg reri rers reru rese resi resn ress reue reus reuu rgbe rgbi rib- ribe ribs ribu ricc rice rics rien rier ries rieu rige rigg rigi rigs rigu riin riis rine ring rinn rire riri rirs risc rise risi riss risu riue rius rnbr rncs rngs rnie rnin rrrr rrun rsbi rscc rscn rscs rsee rsgb rsgc rsis rsnn rsnr rsre rubb rube rubi rubs rubu ruce ruci ruen ruer rues ruge rugg rugi rugs ruin ruis runc rune rung runi runn runs rurc rure ruri rurs ruru ruse rusi russ rusu ruun s-ib s-ic s-ii sbbs sbcc sbcs sber sbic sbig sbse sbsi sbus scbi sccc scce sccs scec scee sceg scer scgs sci- scic scie scin scir scis scnr scr- scrc scre scri scrn scrs scsc scsi scsn scsr scsu scub scug scun scur se-c se-e se-g se-i se-n se-s se-u sebe sebi sebs sec- secc sece secg secn secr secs secu seeb seec seeg seen seer sees seeu sege segg segi segs segu seie seii sein seir seis seiu sene seng seni senn senr sens serb serc sere serg seri sern serr sers seru sesc sese sesi sess seui seur sgcb sgce sgcg sger sges sggg sggs sgic sgss sibc sibe sibi sibs sibu sicc sice sici sics sicu siec sieg sien sier sies sige sigg sigi sign sigs sine sing sini sinn sins sinu sirc sire siri sirr sirs siru sisc sise sisi siss sisu siue siui sius sncc sneb snee sneg sner snes snib snie snig snir snns snrs snub snug snur snus srbc srcc sreb srec sres srgb srib sris srni srnn srub ssbn ssbr sscc ssce ssci sscs ssec ssee sses ssgs ssin ssis ssns ssrc ssrg ssri ssrs sssb sssc sssi ssss sub- subb subg subi subs suc- succ suci sucr sucs suee suen suer sues sueu sug- suge sugg sugi suie suig suin suir suis sun- sunb sune sung suni sunn suns sunu sur- surc sure surg suri surn surr surs suru sus- suse susi suss susu suus u-ie ubbe ubbi uber ubic ubii ubir ubis ucbc ucci uces ucin ucrc ucsb ucsc ucsu uein ueir uers uesn uess ugcc ugcg uggs ugis ugne ugni ugri ugur uguu uies uige uirr uise unbe uncc unce uncg unci uncs uneb unec unee unen uner unes ungu uni- unic unie unii unin unir unis unne unni unns unrs uns- unsc unsg unus urbe urbi urbs urci ure- ures urge urgi urgu urib uric urie urin uris uriu urne urni urns urre urri urse ursi urss ursu urun urur urus usbc usbe usbr usbs uscc usce uscg uscs usee usen user uses usie usin usis usnc usnr usnu ussb ussc usse ussr usss ussu usui usun usus uuen uuni uuri uusi uuuu