bbbb bbbs bbeb bebb bebe bebi beeb beef beeg bees befe beff begg begi begs begu beis bes- bese bess beux bffs bfgf bfsi bggs bibb bibe bibi bibs bieb bief bies bieu biff bifi bigb bige bigg bigs bigu biis bis- bise biss bisu bixi bseb bsee bseg bses bsff bsfs bsgs bsix bsse bubb bube bubi bubs bubu bueu bufe buff buge bugg bugi bugs buie buif buis buiu buix buse busi buss busu busx buus ebbs ebes ebis ebix ebus eeee eees eefe eegs eese eesi ef-g efes effi effs efsi egbe egbu egee eggb egge eggi eggs egis egss eiei eies eifs eige eigg eise eiss esbs esee eses esfs esie esis esse essg essi essu esuf esui esus eubi eufi euge euse exes exge exgi exif exis fbis fbus febs feeb fees fefe feff fefi fege fegg fegs feie feig feis fese fess feus feux ffee ffff ffii ffss fibe fibs fief fies fife fiff fifi figg figs fiii fise fisi fiss fisu fixe fixx fsfi fsgs fsix fssf fubb fubs fubu fuff fufu fuge fugi fugs fugu fuig fuse fusi fuss fusu fuxi gbbs gebe gebi gees gefe gefs gege gegg geie geif geig geis gesg gesi gess gesu geue ggfg gggg ggss gibb gibe gibs gief gies gife giff gifs gifu gige gigg gigi gigs giis gise giss giue gius gsif gsis gsix gsse gubb gubi gubs gubu gues guff gugb guge gugg gugi gugu guib guis gusb guse guss guus i-be ibeg ibes ibex ibfi ibge ibie ibis ibsf ibss ibus ieie iesg iesi iesu ifbb ifes ifex ifge ifis ifsb iges iggs igis igue igus iies iiie iiii iiis iisi iisu isbe isbx iseb isee ises isie isis isse issf issi isss issu isus iuef iuge iugs iuiu iuse iuss ixxi s-ib s-ii sbbs sbef sbig sbse sbsi sbus se-e se-f se-g se-i se-s se-u se-x sebe sebi sebs seeb seef seeg sees seeu seex seff sefi sege segg segi segs segu seie seif seii seis seiu seix sese sesi sess seui seux sex- sexe sexi sfss sfsu sgef sges sggg sggs sgss sibe sibi sibs sibu sief sieg sies siex sife siff sifu sige sigg sigi sigs sise sisi siss sisu siue siui sius sixe sixx ssee sses ssex ssgs ssis sssb sssf sssi ssss sub- subb subg subi subs suee sues sueu suf- suff sufi sufs sufu sug- suge sugg sugi suie suig suis sus- suse susi suss susu suus sux- suxe u-ie ubbe ubbi ubii ubis uess uffe ufxs uggs ugis uguu uies uige uise usbe usbs usee usef uses usfi usfs usie usif usis usix ussb usse ussf usss ussu usui usus uusi uuuu uxue uxus x-fi xbee xefe xeus xexe xfig xggi xibe xibu xiii xisi xixi xsgi xuxu xxii xxix xxxi xxxx