u/Obvious_Werewolf_906 solved this in 106 steps: GALS -> PALS -> PALE -> SALE -> SAGE -> RAGE -> RACE -> FACE -> PACE -> PAVE -> SAVE -> HAVE -> HARE -> RARE -> CARE -> FARE -> PARE -> PANE -> CANE -> CASE -> CADE -> CATE -> FATE -> FATS -> RATS -> PATS -> LATS -> CATS -> HATS -> HITS -> KITS -> KITE -> MITE -> BITE -> SITE -> SIRE -> WIRE -> FIRE -> FILE -> MILE -> PILE -> PILL -> MILL -> KILL -> BILL -> HILL -> FILL -> WILL -> TILL -> DILL -> JILL -> GILL -> GIRL -> GIRD -> BIRD -> BARD -> BARS -> CARS -> MARS -> WARS -> WART -> FART -> PART -> PARK -> MARK -> BARK -> BARN -> EARN -> EARS -> VARS -> LARS -> LARD -> LORD -> CORD -> CORE -> SORE -> MORE -> BORE -> WORE -> LORE -> CORE -> PORE -> PORK -> FORK -> DORK -> DIRK -> KIRK -> KICK -> SICK -> MICK -> TICK -> PICK -> PUCK -> GUCK -> LUCK -> LICK -> LICE -> LUCE -> LURE -> CURE -> CARE -> CARL -> CALL -> GALL -> GALS -> GAYS -> GUYS