ttr ttt ttu ttw tub tue tuf tui tul tum tun tur tut tuu twb twe twf twi twl twm twn twr twt twu tww ubb ube ubf ubi ubl ubn ubr ubt ubu ubw ueb uee uef uei uel uem uen uer uet uew ufe uff ufi ufl ufm ufn ufr uft ufu ufw uib uie uif uii uil uim uin uir uit uiu ulb ule ulf uli ull ulm uln ulr ult ulu um- umb ume umf umi uml umm umn umr umt umu umw un- unb une unf uni unl unm unn unr unt unu unw ur- urb ure urf uri url urm urn urr urt uru urw utb ute utf uti utl utm utn utr utt utu uue uum uun uur uut uuu uwb uwe uwf uwl uwm uwn uwr uww wbb wbe wbf wbi wbn wbr wbt wbw web wee wef wei wel wem wen wer wet wew wfb wfe wff wfi wfl wfm wfn wfr wft wfu wfw wib wie wif wii wil wim win wir wit wiu wl- wlb wle wlf wli wll wlm wln wlr wlt wlu wlw wm- wmb wme wmf wmi wml wmm wmr wmt wmu wn- wne wnf wnl wnm wnn wnt wnu wnw wr- wre wrf wri wrl wrm wrn wrr wrt wru wrw wtb wtf wti wtm wtn wtr wtt wtu wtw wub wue wum wun wur wut wwe wwf wwi wwl wwm wwn wwt wwu www