WHIMPER
WHINE
WINE
HIM
PERM
WIRE
WIRING
RING
WHEN
HEN
PERMING
PERM
GRIN
GRIP
GRIM
GREW
PINE
MEWING
PRIME
GRIME
HER
WHIP
HIP
RIG
RIP
PRIM
HINGE
WING
PEN
MINE
MINER
RIM
MIRE
REIGN
REIN
HER
PRIM
WIRING
RIPE
RIPEN
GERM
WIN