I tried to follow the rules for building passphrases as used in the example

1. pick five words from (the image of) the card, lower-case, no blanks, nonsensical
2. double o's
3. upper-case k
4. add ##3 ('to protect bitcoin')

For example:

font knee to what black -> foontKneetoowhatblacK##3

Tried various combinations, no luck so far.