Proposed Additions to the PDP-11 Instruction Set:

BBW     Branch Both Ways
BEW     Branch Either Way
BBBF    Branch on Bit Bucket Full
BH      Branch and Hang
BMR     Branch Multiple Registers
BOB     Branch On Bug
BPO     Branch on Power Off
BST     Backspace and Stretch Tape
CDS     Condense and Destroy System
CLBR    Clobber Register
CLBRI   Clobber Register Immediately
CM      Circulate Memory
CMFRM   Come From -- essential for truly structured programming
CPPR    Crumple Printer Paper and Rip
CRN     Convert to Roman Numerals
DC      Divide and Conquer
DMPK    Destroy Memory Protect Key
DO      Divide and Overflow
EMPC    Emulate Pocket Calculator
EPI     Execute Programmer Immediately
EROS    Erase Read Only Storage
EXCE    Execute Customer Engineer
HCF     Halt and Catch Fire
IBP     Insert Bug and Proceed
INSQSW  Insert into queue somewhere (for FINO queues [First in never out])
PBC     Print and Break Chain
PDSK    Punch Disk