-mb

-omb

aplomb: /-ɑm, -ʌm/
bomb: /bɑm/


tomb: /tum/
womb: /wum/


comb: /koʊm/


-umb ʌm




thumb
succumb
numb
plumb
dumb
crumb

-amb:æm

iamb: /'aɪæm; ˈaɪæmb/ 
lamb
jamb


-imb: ɪm, aɪm


limb
climb