b-u bbb bbi bbn bbt bbu bbw bi- bib bii bin bit biu biw bnb bni bnn bnt bnu bnw btb bti btn btt btu btw bub bui bun but buu buw bwb bwi bwu ibb ibi ibn ibt ibu ibw iib iii iin iit iiu iiw in- inb ini inn int inu itb iti itn itt itu iu- iub iui iut iwb iwi iwt iwu iww n-i nbb nbi nbn nbt nbu nbw nib nii nin nit niu nnb nni nnn nnt nnu nnw ntb nti ntn ntt ntu nub nui nun nut nuu nwb nwi nwn nwt nwu tbb tbi tbn tbt tbu tib tii tin tit tiu tiw tnb tni tnn tnt tnw ttb tti ttn ttt ttu ttw tub tui tun tut tuu twb twi twn twt twu tww ubb ubi ubn ubt ubu ubw uib uii uin uit uiu un- unb uni unn unt unu unw utb uti utn utt utu uun uut uuu uwb uwn uww wbb wbi wbn wbt wbw wib wii win wit wiu wn- wnn wnt wnu wnw wtb wti wtn wtt wtu wtw wub wun wut wwi wwn wwt wwu www