Determine the "answer". It is a single (English) word.
BTNRDHHANPGDRABAK
UOHNBBORNOUATPTOT
NBGLWBPLLODRUYCSB
EBMWIFEADRNAJZTCW
GROMSTNOIGAGRAIOL
NIEKRNEBTNNNTRILW
IWBCSHHDNITIECRLR
DUOSRTBARTOMMHCMO
RNBTSERACNMRPOELL
APARTMENTUIAFPOPP
OOEEOLPSSHRWNNNRN
BAUTCKERTTZOLAADN
FBTURUEAYDORTSPUG
IIKAGRKNUBCHPRLHE
EKTMLRUCMITHOLNHP
RRGGMMAHRIKTPPRRH
SEBNTSPUIANAARNWT