Common words:
* Job
* Web
* Grab
* Club
* Verb
* Slab
* Blob
* Comb
* Thumb
* Blab
* Rib
* Cobb
* Sub
Less common words:
* Scab
* Glib
* Nib
* Ab
* Bib
* Mob
* Orb
* Rub
* Tub
* Sob
* Crab
Words that are only parts of other words:
* -ab (as in "unable")
* -ib (as in "eligible")
* -ub (as in "suburban")
Let me know if you'd like more examples, or have any other word-related requests!