Would your Missus maybe post her pattern ?
She used a pattern from a blog =
http://postkjellaren.blogspot.com/2012/10/tova-tfler.html but that's in Norwegian and Google translate made a mess of it so here's the important stuff in English:
Size 6:
Knitting pin 6.
Red = 54 stitches,
green = 18 cm,
blue = bind off 4 stitches on each side,
yellow = 17 cm,
pink = one row 2 regular stitches then 2 stitches bound together etc,
two rows regular stitches,
one row 2 regular stitches then 2 stitches bound together etc,
two rows regular stitches,
one row 2 sticthes bound together
then pull the yarn trough.
Red = Sew with wool yarn.
Wash at 60 C with a pair of jeans and a dash of wool soap. Wash again at 40 C if to big.
If you need info for other sizes just ask.