nibi nibs nicc nice nicf nici nics nicu nief nien nier nies nifc nife niff niir niiu nine nini nins nire nirs niru nise nisi niss nisu niue niur nnes nnnn nnss nrbq nrcs nren nrfc nric nrrc nrsc nscc nscs nseb nsec nser nsfc nsfs nsic nsin nsis nsnr nsrc nssb nssc nsse nssf nssr nsss nsub nubc nube nubi nubs nuce nuci nucs nucu nuee nuer nuff nuin nunc nune nunn nuns nurc nure nuri nurn nurr nurs nuru nuse nusi nuss nusu q-be qbic qcfr qcue qeii qene qere qeri qerq qins qiru qisi qqqq qren qrss qsqs qsrs qube qubi qucu quee quen quer ques qufu quib quic quie quin quir quis qunb quni qunu quri quu- rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcfc rcic rcis rcnr rcsc rcsi rcss rebb rebe rebs rebu recc rece reci recr recs recu reeb reef reen rees refe reff refi refn refr refs refu reif reii rein reir reis reiu rene reni renn rens renu reqs rere reri rers reru rese resi resn resq ress reue reuf reus reuu rfef rffc rfic rib- ribe ribs ribu ricc rice rics rief rien rier ries rieu rife riff rifs rifu riif riin riis rine rinf rinn riqq rire riri rirs risc rise risi riss risu riue rius rnbr rncs rnie rnin rrfc rrif rrrr rrun rsbi rscc rscn rscs rsee rsfc rsis rsnn rsnr rsre rubb rube rubi rubs rubu ruce ruci ruen ruer rues rufc rufe ruff ruif ruin ruis runc rune runf runi runn runs rurc rure ruri rurs ruru ruse rusi russ rusu ruun s-ib s-ic s-ii sbbs sbcc sbcs sbef sber sbfc sbic sbse sbsi sbus scbi sccc scce sccs scec scee scer scfc scfe scfi sci- scic scie scif scin scir scis scnr scr- scrc scre scri scrn scrs scsc scsi scsn scsr scsu scub scun scur se-c se-e se-f se-i se-n se-s se-u sebe sebi sebs sec- secc sece secn secr secs secu seeb seec seef seen seeq seer sees seeu seff sefi seie seif seii sein seir seis seiu sene seni senn senr sens seqq seqs sequ serb serc sere serf seri sern serq serr sers seru sesc sese sesi sess seui seur sfbc sfcc sfcs sfer sffc sfnb sfne sfrc sfss sfsu sibc sibe sibi sibs sibu sicc sice sici sics sicu siec sief sien sier sies sife siff sifr sifu sine sini sinn sins sinu sirc sire sirf siri sirr sirs siru sisc sise sisi siss sisu siue siui sius sncc sncf sneb snee sner snes snfu snib snie snir snns snrs snub snur snus sqin srbc srcc sreb srec sres srfc srfi srib sris srni srnn srub ssbn ssbr sscc ssce ssci sscs ssec ssee sses ssfc ssin ssis ssns ssrc ssri ssrs sssb sssc sssf sssi ssss sub- subb subi subs suc- succ suci sucr sucs suee suen suer sues sueu suf- sufc suff sufi sufr sufs sufu suie suin suir suis sun- sunb sune suni sunn suns sunu suqs sur- surc sure surf suri surn surr surs suru sus- suse susi suss susu suus u-ie ubbe ubbi uber ubic ubii ubir ubis ucbc ucci uces ucfb ucin ucrc ucsb ucsc ucsf ucsu uein ueir uers uesn uess ufcu ufer uffe uies uirr uise unbe uncc unce uncf unci uncs uneb unec unee unef unen uner unes uni- unic unie unif unii unin uniq unir unis unne unni unns unrf unrs uns- unsc unus uqcc urbe urbi urbs urci ure- ures urfe urff urfi urib uric urie urif urin uris uriu urne urni urns urre urri urse ursi urss ursu urun uruq urur urus usbc usbe usbr usbs uscc usce uscf uscs usee usef usen user uses usfc usfi usfs usie usif usin usis usnc usnr usnu ussb ussc usse ussf ussr usss ussu usui usun usus uuen uuni uuri uusi uuuu