-ene -ine bbbb bbbs bbeb bbfn bbin bebb bebe bebi beeb beef been beer bees befe beff bein beir beis bene beni benn bens bere beri bern berr bers bes- bese bess bffs bfsi bfsr bibb bibe bibi bibs bieb bief bien bier bies biff bifi biin biis bin- bine bini binn bins birb bire biri birn birr birs bis- bise biss bner bnib bnin bnrr bnss breb bree bref brei bren brer bres brie brin bris brns brrr brrs brsb brsr bseb bsee bser bses bsff bsfs bsin bsns bsse ebbr ebbs eben eber ebes ebis eeee eees eefe eefn eens eers eese eesi efbr efen efes effi effs efsi eiei eien eier eies eifs eine eini eins eire eirn eirs eise eiss enb- enbn enbr enee ener enes enfb enif enin enis enne enni enns enri enrs ense ensi erbb erbe ereb erei eren erer eres erfs erie erin eris erne erni erns erre errs erse ersi esbs esee esen eser eses esfs esie esin esis esne esri esse essi fbis fbrs febs feeb feen feer fees fefe feff fefi feie fein feir feis fene feni fenn fens ferb fere fern ferr fers fese fess ffee ffff ffii ffrr ffss fibe fibs fief fien fier fies fife fiff fifi fiii fine fini finn fins fire firn firs fise fisi fiss fnrs free frei fren fres frib frie frin fris frns frsb fsfi fssf i-be ibes ibfi ibie ibis ibns ibri ibsf ibsn ibss ieie iens iere ieri iers iesi iesr ifbb ifen ifer ifes ifis ifni ifnr ifns ifrb ifrf ifri ifsb iies iiie iiii iiis iirs iisi iisr inbe inee ines infi infs inis inne inni innr inns inre inri inrs inse inss irbe iree iren irer ires irfe iri- irie irin iris irne irre irri irrs irse irsf isbe isbn iseb isee isen iser ises isie isin isis isri isse issf issi issr isss n-ii nber nebb nebe nebn nebr nebs neeb neef neei neen neer nees nefe neff nefi nefs neif nein neir neis nene neni nens nere nerf neri nerr ners nesb nese nesi nesn nesr ness nfer nfff nfib nfrs nfsr nibe nibi nibs nief nien nier nies nife niff niir nine nini nins nire nirs nise nisi niss nnes nnnn nnss nren nseb nser nsfs nsin nsis nsnr nssb nsse nssf nssr nsss rbbb rbbr rbbs rbis rbss rebb rebe rebs reeb reef reen rees refe reff refi refn refr refs reif reii rein reir reis rene reni renn rens rere reri rers rese resi resn ress rfef rib- ribe ribs rief rien rier ries rife riff rifs riif riin riis rine rinf rinn rire riri rirs rise risi riss rnbr rnie rnin rrif rrrr rsbi rsee rsis rsnn rsnr rsre s-ib s-ii sbbs sbef sber sbse sbsi se-e se-f se-i se-n se-s sebe sebi sebs seeb seef seen seer sees seff sefi seie seif seii sein seir seis sene seni senn senr sens serb sere serf seri sern serr sers sese sesi sess sfer sfnb sfne sfss sibe sibi sibs sief sien sier sies sife siff sifr sine sini sinn sins sire sirf siri sirr sirs sise sisi siss sneb snee sner snes snib snie snir snns snrs sreb sres srfi srib sris srni srnn ssbn ssbr ssee sses ssin ssis ssns ssri ssrs sssb sssf sssi ssss