bbbb bblb bffl bfgf bftt bibb bibi bibl biff bifi bigb bigg bigt bili bill bilt bitt blbt blit bttb ffff ffii fftf fiff fifi fift figg figl fiii fiil fili fill fiti fitt flig flii flit fltg ft-l ftii ftlb ggbt ggfg gggg gibb giff gift gigg gigi gilf gilg gili gill gilt gli- glib glit ibfi ibtb ibtl ifbb ifil ifit igil igli iiii iiit iitt ilit ill- illi illt itif itil itll ittf lbgt lgbt lgfl liff lifg lifl lift ligg ligi liig liii lilb lilg lili lill lilt litb liti litl litt llll ltbf ltbl ltib tbil tbit tgif tibi tiff tift tigi tiit till tilt titi titt tlli ttbb ttff tttt