Compare thon with other words:
thon vs. thor
thon vs. toon
tho vs. thon
thon vs. tron
thon vs. thorn
thon vs. ton
thon vs. thong
than vs. thon
then vs. thon
thin vs. thon
thon vs. thou
her vs. thon
him vs. thon
she vs. thon
per vs. thon
shi vs. thon
sie vs. thon
thon vs. thons
them vs. thon
they vs. thon