b-u bbb bbe bbg bbi bbk bbs bbt bbu be- beb bee beg bei bek bes bet beu bgb bge bgg bgi bgk bgs bgt bgu bi- bib bie big bii bik bis bit biu bkb bke bkg bkk bks bkt bsb bse bsg bsi bsk bss bst bsu btb bte btg bti btk bts btt btu bub bue bug bui buk bus but buu ebb ebe ebg ebi ebk ebs ebt ebu eeb eee eeg eek ees eet egb ege egg egi egs egt egu eib eie eig eii eik eis eit eiu ekb eke ekg eki eks ekt eku es- esb ese esg esi esk ess est esu etb ete etg eti etk ets ett etu eu- eub eue eug eui eus eut gbe gbg gbi gbk gbs gbt gbu ge- geb gee geg gei gek ges get geu ggb ggg ggi ggs ggt ggu gib gie gig gii gik gis git giu gkb gks gkt gsb gse gsg gsi gsk gss gst gsu gtb gte gtg gti gtk gts gtt gtu gu- gub gue gug gui guk gus gut guu ibb ibe ibg ibi ibk ibs ibt ibu ie- iee ieg iei iek ies iet igb ige igg igi igk igs igt igu iib iie iii iis iit iiu ikb ike iki ikk iks ikt iku is- isb ise isg isi isk iss ist isu itb ite itg iti itk its itt itu iu- iub iue iug iui ius iut k-t kbb kbe kbi kbk kbs kbu ke- keb kee keg kei kek kes ket kgb kgi kgs kgu kib kie kig kii kik kis kit kiu kkb kke kki kkk kks kkt kku ksb kse ksg ksi ksk kss kst ksu ktb kte ktg ktk kts ktt ktu kub kue kug kui kuk kus kut kuu sbb sbe sbg sbi sbk sbs sbt sbu se- seb see seg sei sek ses set seu sgb sge sgg sgi sgk sgs sgt sgu sib sie sig sii sik sis sit siu sk- skb ske skg ski skk sks skt sku ss- ssb sse ssg ssi ssk sss sst ssu stb ste stg sti stk sts stt stu sub sue sug sui suk sus sut suu tbb tbe tbg tbi tbk tbs tbt tbu te- teb tee teg tei tek tes tet teu tgb tge tgg tgi tgk tgs tgt tgu tib tie tig tii tik tis tit tiu tkb tke tkg tkk tks tkt tsb tse tsg tsi tsk tss tst tsu ttb tte ttg tti ttk tts ttt ttu tub tue tug tui tuk tus tut tuu ubb ube ubg ubi ubk ubs ubt ubu ueb uee ueg uei ues uet ugb uge ugg ugi ugk ugs ugt ugu uib uie uig uii uis uit uiu ukb uke uki ukk uku usb use usg usi usk uss ust usu utb ute uti utk uts utt utu uue uug uus uut uuu

bbbb bbbs bbeb bbet bebb bebe bebi beeb beeg beek bees beet begg begi begs begu beik beis beit beke beki beks bes- bese besk bess best bete beti bets bett betu beuk bggs bgst bibb bibe bibi bibs bieb bies biet bieu bigb bige bigg bigs bigt bigu biis bike biku bis- bise bisk biss bist bisu bite bits bitt bitu bseb bsee bseg bses bset bsgs bskt bsse bsts btek btie btss bttb btus bubb bube bubi bubs bubu bueu buge bugg bugi bugs buie buik buis buit buiu buke buki bukk buku buse busi busk buss bust busu but- bute buti buts butt buus ebbs ebes ebis ebit ebus eeee eees eegs eeke eeks eese eesi eesk eete eets eetu egbe egbu egee eggb egge eggi eggs egis egks egss egte egtk egts eiei eies eige eigg eike eiki eiks eise eisk eiss eist eitb eiti ekeb ekek ekes eket ekgs ekis ekki eksi esbs esee esek eses eset esie esik esis esit eske esks esku esse essg essi esst essu este ests esui esus etee etes etik etsi etsu ette etti ettu etui eubi euge euse gbbs gebe gebi geek gees geet gege gegg geie geig geis geit geki gesg gesi gesk gess gest gesu getb gete getg geti getk gets gett geue ggbt gggg ggss gibb gibe gibs gies giet gige gigg gigi gigs giis giku gise giss gist gite gits giue gius gsis gskb gsse gubb gubi gubs gubu gues gugb guge gugg gugi gugu guib guik guis gusb guse guss gust gute guti guts gutt gutu guus i-be ibeg ibes ibet ibge ibie ibis ibss ibtb ibts ibus ieet ieie iesg iesi iest iesu iett iges iget iggs igis igue igus iies iiie iiii iiis iiit iisi iist iisu iitt ikee ikes ikig ikki iksu ikue isbe isbt iseb isee ises iset isie isis isit isku isse issi isss issu iste isti ists isus itbe itbs itek ites itet itgs itie itis itse itsi itsu iuge iugs iuiu iuse iuss iust kbbb kbbe kbbg kbbi kbbk kbbs kbbt kbbu kbeb kbee kbek kbes kbet kbgb kbge kbgg kbgt kbib kbie kbig kbik kbis kbit kbiu kbkb kbkg kbkk kbsb kbsg kbsi kbsk kbss kbst kbsu kbtb kbte kbtk kbts kbtt kbub kbue kbuk kbus kbut kbuu kebb kebe kebi kebt kebu keek kees keet kege kegg kegi kegk kegs keib keig keii keik keis kekb keke keki keks keku kesb kesi kesk kess kest ket- kete keti ketk kets kett ketu keug keus kgbb kgbt kgeb kget kggg kggi kgks kgst kgtk kgts kgus kibb kibe kibg kibi kibs kibt kibu kies kieu kigs kiii kiik kiis kiit kiiu kiki kikk kikt kiku kise kisi kisk kiss kist kisu kite kitg kiti kits kitt kitu kiuu kkbb kkbe kkbg kkbi kkbs kkbt kkeg kkgb kkik kkit kkkk kkse kksi kkss kkst kksu kktk kkts kktu kkus kkut kkuu ksbi ksbs ksee kseg ksei ksek kset ksgg ksgt ksgu ksib ksig ksii ksik ksis ksit kskb kske kskg kskk ksks ksku ksse kssi ksss ksst kssu kstb kste ksti kstk