bbbb bbbs bbeb bbet bebb bebe beeb beek bees beet beke beks bes- bese besk bess best bete bets bett betu beuk bseb bsee bses bset bskt bsse bsts btek btss bttb btus bubb bube bubs bubu bueu buke bukk buku buse busk buss bust busu but- bute buts butt buus ebbs ebes ebus eeee eees eeke eeks eese eesk eete eets eetu ekeb ekek ekes eket esbs esee esek eses eset eske esks esku esse esst essu este ests esus etee etes etsu ette ettu euse kbbb kbbe kbbk kbbs kbbt kbbu kbeb kbee kbek kbes kbet kbkb kbkk kbsb kbsk kbss kbst kbsu kbtb kbte kbtk kbts kbtt kbub kbue kbuk kbus kbut kbuu kebb kebe kebt kebu keek kees keet kekb keke keks keku kesb kesk kess kest ket- kete ketk kets kett ketu keus kkbb kkbe kkbs kkbt kkkk kkse kkss kkst kksu kktk kkts kktu kkus kkut kkuu ksbs ksee ksek kset kskb kske kskk ksks ksku ksse ksss ksst kssu kstb kste kstk ksts kstt kstu ksub ksue ksut ksuu ktbb ktbt ktbu ktee ktek ktkb ktke ktkk ktks ktkt ktku ktst ktsu kttk ktts kttt kttu ktub kubb kube kubs kubu kuek kues kueu kuke kukk kuks kuku kusb kust kusu kute kuts kutt kutu kuub kuuk kuuu sbbs sbse sbst sbtk sbus se-e se-k se-s se-t se-u sebe sebs sebt seeb seek sees seet seeu seke sekk sekt seku sese sess sest set- sete sets sett skee skes sket skss skue skut ssee sses sset sssb ssss sstb ssts stbs stee stek stes stet stks stss stub stue stuk stus stut sub- subb subs suee sues suet sueu suke suks suku sus- suse susk suss sust susu sute sutu suus tbbs tbst tebu teek tees teet teke tese tess test tete tets tett tetu teuk teut tkts tses tset tsks tsse tsst tsts ttbb ttss tttt tubb tube tubs tubu tues tuet tuke tuks tusk tuss tust tute tuts tutt tutu ubbe ubek ubet uess ukek ukes ukeu us-k usbe usbs usee uses uset uske ussb usse usss usst ussu ustb uste usts usus utes uttu uuuu