Hudson list = 203 items
Blust (1981) dropped 34 and added 31

foot
wash
wipe
rub
heart
sibling -- elder
sibling -- younger
clothing
fight
play
sing
dance
pull
push
animal
tree
bark
seed
freeze
ice
float
river
mountain
sun
snow
smooth
straight
here
there
some
many
few
with
because

REASONS
1 - No PMP reconstruction available
2 - PMP had a phrase or compound in which one or both occur elsewhere
3 - Meaning is difficult to elicit, e.g., 'animal', 'heart' = 'liver'
4 - Duplicity, e.g., 'leg' = 'foot'
5 - Polysemy, e.g., 'wash' (hands, clothes by pounding, rinse)