middle b
rabbit | habit | hobit | stable |
|---|---|---|---|
label | fable | table | sable |
pebble | cobble | wobble | bobble |
babble | rabble | ribbon | nibble |
nimble | thimble | cymbal | symbol |
trouble | bubble | rubble | rubber |
blubber | bumbler | number | lumber |
member | humble | jumble | stumble |
timber | limber | bobber | robber |
slumber | crumble | tumble | Hubble |