Six letter word - change only one letter

Panino - Pinyon

pinyon - oniony

oniony - onions

Onions - poison

Poison - piston

piston - topics

Topics - Septic

septic - depict

Depict - edicts

edicts - cadets

Cadets - Coated

coated - donate

Donate - Attend

attend - detain

Detain - intend

intend - tennis

Tennis - Infest

Infest - feisty

feisty - stifle

Stifle - finest

finest - fisted

Fisted - Strife

strife - trifle

trifle - flirty

flirty - frilly

Frilly - Firmly

firmly - flimsy

flimsy - smiley