Coal
Foal
Fool
Foot
Font
Wont
Want
Wane
Mane
Many
Zany
Change "teak" to "lips".
Teak
Teas
Tees
Ties
Tips
Lips
Change "fire" to "luck".
Fire
Mire
Mice
Lice
Lick
Luck
Change "last" to "firs".
Last
Fast
Fest
Fess
Fuss
Furs
Firs
Change "blue" to "lion".
Blue
Blub
Blob
Blot
Boot
Boon
Loon
Lion
Change "ring" to "bead".
Ring
Rind
Rend
Read
Bead
Change "dash" to "shad".
Dash
Mash
Mast
Most
Moot
Soot
Shot
Shod
Shad
Change "plus" to "time".
Plus
Plum
Glum
Glam
Glad
Goad
Gold
Told
Tole
Tile
Time
Change "fine" to "ally".
Fine
Find
Fend
Feed
Seed
Sped
Aped
Abed
Abey (to put into abeyance, to put aside)
Ably
Ally
Change "wall" to "shin".
Wall
Wail
Wait
Whit
Whip
Ship
Shin
Change "last" to "myth".
Last
Mast
Matt
Math (though I think it should be spelled "maths" )
Myth
Change "zero" to "flat".
Zero
Hero
Here
Hare
Hart
Part
Pert
Peat
Plat
Flat
Change "type" to "keys".
Type
Tape
Taps
Tags
Bags
Begs
Kegs
Keys
Change "weds" to "lock".
Weds
Beds
Buds
Burs
Burn
Turn
Turk
Tuck
Luck
Lock
Change "ends" to "glad".
Ends
Ents
Eats
Bats
Bets
Bees
Beet
Beat
Boat
Boot
Foot
Fool
Foal
Goal
Goad
Glad
Change "nips" to "spin".