Change one Letter

lab = bat..

bat = ban............

ban - dan...

dan - mad

mad = and...

and = den..

den = net,..

net = nut

nut = tan...

tan = can....

can = nap...

nap = ape..

tip= lip..

Lip = Lid.......

lid = die...

die = dip..........

dip = pie..

pie = pet...........

...pet = ten...

ten = met.........

met = bet

bet = bat

bat = tar..........

tar = ray...

ray = pay...........

pay = yak...

yak = yap.........

yap = yup :yes:

yup = pup............

pup = 7up :yeaah: :yeaah:

7up = pug...........

....pug = pig....

pig = fig............

fig = gin..

gin = gun...........

and ... gun = fun

fun = fin...........

fin = nip...

nip = kin...........

kin = sin...