bbbb bbdd bbfn bbin bdii bdin bftt bibb bibi bidi biff bifi biin bin- bind bini binn bint biny bitd bitt bnib bnin btdt bttb byit bynd byyd dbit dbtt dddd dfdt dibb diby didi didy dif- diff dify diii din- dini dinn dint diti ditt diyi dntt dtnb dybn dybt dydd dyf- dyfi dyin dyit dynt dyny dyt- dyty fdny fdti ffff ffii fftf fidf fiff fifi fift fiii find fini finn fint fiti fitt fndd fndn fntb ftdi ftfy ftii fyfi fynd fynn fynt fyti i-by ibfi ibid ibtb ibyi idid idin ifbb ifby iffy ifid ifit ifni iftn iiii iiit iitt inbd inby ind- indi indy infi infy inid init inni inny intd inti intn itby itif itin ittf itty n-ii nbti nbty nddb ndfi ndnt nfff nfib nfyb nibi nidd nidi niff nift niit nind nini nitb nitf niti nity niyi nndb nnit nnnn nntn ntfy ntnd nyfd nyit nynt nyny nytb tbit tbnf tbyf tddb tdff tfin tibi tidd tidy tiff tift tiit tind tini tinn tint tiny titi titt tiyi tiyn tndd tndf ttbb ttff ttfn tttt ttyd tybi tydd tydi tydy tyff tyft tyin tynd tynt tyny tytd tyti tytt tyty tyyn ydin ydyt yidi yiff yift yiti yyff yyyy