þ{*0}[ftbfail.tk]
{*0}[{*1}f{*0}]tbfail.tk
{*0}f[{*1}t{*0}]bfail.tk
{*0}ft[{*1}b{*0}]fail.tk
{*0}ftb[{*1}f{*0}]ail.tk
{*0}ftbf[{*1}a{*0}]il.tk
{*0}ftbfa[{*1}i{*0}]l.tk
{*0}ftbfai[{*1}l{*0}].tk
{*0}ftbfail[{*1}.{*0}]tk
{*0}ftbfail.[{*1}t{*0}]k
{*0}ftbfail.t[{*1}k{*0}]
{*1}ftbfail.tk
{*2}ftbfail.tk
{*0}ftbfail.tk
þ{*1}f
{*2}ft
{*0}ftb
{*1}ftbf
{*2}ftbfa
{*0}ftbfai
{*1}ftbfail
{*2}ftbfail.
{*0}ftbfail.t
{*1}ftbfail.tk
{*2}ftbfail.tk
{*0}ftbfail.tk