If a word ends in ‘e’ drop the ‘e’ before adding -ed.

poke

poked

pile

piled

trickle

trickled

wave

waved

rule

ruled

hike

hiked

shape

shaped

tickle

tickled

bottle

bottled

smile

smiled

phone

phoned

collide

collided

battle

battled

frazzle

frazzled

twizzle

twizzled