With $\backslash$Sigma $1=\{0,1\}$ and $\backslash$Sigma $2=\{$a$,$b$,$c$,$d$,$e$,$f$,$g$,$h$,$i$,$j$,$k$,$l$,$m$,$n$,$o$,$p$,$q$,$r$,$s$,$t$,$u$,$v$,$w$,$x$,$y$,$z$\}$ and $\backslash$Gamma $=$

$\{0,1,$x$,$y$,$z$\}$

with the ordering x