b-u bbb bbd bbe bbn bbs bbt bbu bdb bdd bde bds bdt bdu be- beb bed bee ben bes bet beu bnb bnd bne bnn bns bnt bnu bsb bsd bse bsn bss bst bsu btb btd bte btn bts btt btu bub bud bue bun bus but buu dbb dbd dbe dbn dbs dbt dbu ddb ddd dde ddn dds ddt ddu de- deb ded dee den des det deu dnb dnd dne dnn dns dnt dsb dsd dse dsn dss dst dsu dtb dtd dte dtn dts dtt dtu dub dud due dun dus dut ebb ebd ebe ebn ebs ebt ebu ed- edb edd ede edn eds edt edu eeb eed eee een ees eet en- enb end ene enn ens ent enu es- esb esd ese esn ess est esu etb etd ete etn ets ett etu eu- eub eud eue eun eus eut nbb nbd nbe nbn nbs nbt nbu ndb ndd nde ndn nds ndt ndu ne- neb ned nee nen nes net neu nnb nne nnn nns nnt nnu nsb nsd nse nsn nss nst nsu ntb ntd nte ntn nts ntt ntu nub nud nue nun nus nut nuu sbb sbd sbe sbn sbs sbt sbu sdb sdd sde sdn sds sdt sdu se- seb sed see sen ses set seu snb snd sne snn sns snt snu ss- ssb ssd sse ssn sss sst ssu stb std ste stn sts stt stu sub sud sue sun sus sut suu tbb tbd tbe tbn tbs tbt tbu tdb tdd tde tdn tds tdt tdu te- teb ted tee ten tes tet teu tnb tnd tne tnn tns tnt tsb tsd tse tsn tss tst tsu ttb ttd tte ttn tts ttt ttu tub tud tue tun tus tut tuu ubb ube ubn ubs ubt ubu udb udd ude udn uds udt udu ueb ued uee uen ues uet un- unb und une unn uns unt unu usb usd use usn uss ust usu utb utd ute utn uts utt utu uue uun uus uut uuu

-ene bbbb bbbs bbdd bbeb bbet bdes bdsd bebb bebe bede beds bedu beeb beed been bees beet bend bene benn bens bent benu bes- bese bess best bete bets bett betu bnet bnss bsbd bseb bsed bsee bses bset bsnd bsns bssd bsse bsts btdt bten btss bttb btus bubb bube bubs bubu budb budd bude buds budu buen bueu bunb bund bune bunn buns bunt bunu buse buss bust busu but- bute buts butt buus dbss dbtt dbus dddd ddes ddss ddts ddub debe debs debt debu dedd dede dedu deeb deed deen dees deet dene denn dens dent denu des- dese dess dest desu dete detn dets deue deus deut dnet dntt dnus dnut dssn dsst dstn dsts dted dten dtnb dtss dub- dubb dube dubs dubu dudd dude duds dudu dues duet dune dunn duns dunt duse dust dute duts duut ebbs ebed eben ebes ebus edde edds ede- eden edes edns edss edts edun eede eedu eeee eees eend eens eent eese eete eets eetu enb- enbn end- ende ends endu ened enee enes enne enns ennu ense enst ensu ent- entd ente ents enue enus enut esbs esds esdu esee esen eses eset esne esse esst essu estd este ests esus etds etee eten etes etne etns etsu ette ettn ettu etun eude euse nddb ndde ndnt ndss ndut nebb nebe nebn nebs nebu nedd nede neds nedu neeb need neen nees neet nend nene nens nent nenu nesb nese nesn ness nest net- netb netd nete nets nett neue neun neut neuu nndb nnes nnnn nnss nntn nsds nsdt nseb nssb nsse nsss nstd nsts nstu nsub ntds ntes nteu ntnd ntnu ntsb ntss ntsu nube nubs nudd nude nuee nune nunn nuns nunt nuse nuss nust nusu nute nuts nutt nutu sbbs sbds sbsd sbse sbst sbtn sbus sdds sdes sdet sdss sdsu se-d se-e se-n se-s se-t se-u sebe sebs sebt sede seds seeb seed seen sees seet seeu send sene senn sens sent sese sess sest set- sete sets sett sneb sned snee snes snet snns snsd snte snub snus ssbn ssdd ssee sses sset ssns sssb ssss sstb sstd ssts stbd stbs stds sted stee sten stes stet stnd stnn stns stss sttd stub stud stue stun stus stut sub- subb subd subs sudd sude suds sued suee suen sues suet sueu sun- sunb sund sune sunn suns sunt sunu sus- susd suse suss sust susu sute sutu suus tbbs tbst tddb tdes tdse tdss tebu tedd tede teds teed teen tees teet tenb tend tene tenn tens tent tenu tesd tese tess test tete tets tett tetu teut tndd tneb tnes tnts tnut tsbd tsdb tsen tses tset tsse tsst tsts tsun ttbb tten ttss tttt tubb tube tubs tubu tude tudu tuen tues tuet tunb tund tune tunn tuns tunu tusd tuss tust tute tuts tutt tutu ubbe ubet ubud udds uden udet udsd udts udun uend uesn uess unbd unbe unde unds uneb uned unee unen unes unne unns uns- unst untb unte unts unus unut usbe usbs usde usds usdt used usee usen uses uset usnu ussb usse usss usst ussu ustb uste usts usun usus utes utne uttu uuen uuuu

b-e-d bbbee bbuss bdubs bebed bebes bedde bedee beden bedes bedet bedse bedub bedue beebe beebs beede beene beens beesd beest beete beets beeut bende bends bene- benet benne bennu bense bents benue benun benut besed besee besen beset besne besse beste bests besut betee beten betes betne bett- bette betts betus beust beute bnetd bseed btens btstu bubbe buben budde budds buddu bunde bunds bundt bundu bunne bunte bunts bunud bunun bunus bunut bused buses busse bussu buste busts busut busuu buten butes butte butts butut d-bus dbtss ddddd debed deben debes debet debne debte debts debus debut dedde dedee deden dedes dedun dedut deede deeds deene deens deese deess deest deets dende deneb denee denes denet denne dense