We play inverted minors 9+ with 5 or 10+ with 4, may contain 4M.
Partner has no 4M and has one of the following hands:
3334/3343 5-9
(23)44 5-9
(233)5 5-9
Any hand with 6+ clubs 3-9, the shorter the diamonds, the less they can have
2245 5-8
He will not ever have 5 diamonds