bbbb bblb bffl bftt bibb bibi bibl biff bifi bili bill bilt bily bitt blbt blit bly- bttb byil byit bylt ffff ffii fftf fiff fifi fift fiii fiil fili fill fiti fitt flii flit flyi flyt ft-l ftfy ftii ftlb fyfi fyli fyti i-by ibfi ibly ibtb ibtl ibyi ifbb ifby iffy ifil ifit iiii iiit iitt ilit ill- illi illt illy itby itif itil itll ittf itty liff lifl lift liii lilb lili lill lilt lily litb liti litl litt lity liyl llll ltbf ltbl ltib lyff lyft lyfy lyif lyit lyly lytt lyyf tbil tbit tbyf tibi tiff tift tiit till tilt tily titi titt tiyi tlli ttbb ttff tttt ttyl tybi tyff tyft tyl- tyll tyti tytt tyty yiff yift yili yill yilt yiti ylli yyff yyyy