Recoded "das5h" to make invalid units missing, fixes #201
Recoded "das5f" to make invalid units missing, fixes #200
Recoded "das5c" to make invalid units missing, fixes #199
Recoded "das5a" to make invalid units missing, fixes #197
Recoded "das5b" to make invalid units missing, fixes #198
Recoded "das4h" to make invalid units missing, fixes #196