My grandmother, Ida Denenberg, was born in Stawiski.  I have  some data from  the  Suwalki-Lomza Landsman Journals.  There is a print version of  the Yizhkor book available.
Larry Kanner

Domb/Dab/Newman  Grajewo, Ostrow Maz
Counselbaum/Kancelbaum  Rajgrod
Gabelman  Szczuczyn
Denenberg  Stawiski
perhaps Suwalski, Ludwinowski

paternal:  Kanner/Kangiser  Long/Lant Tischler perhaps Ziman  - Lithuania Latvia?