I would prefer to go on with four letters as it was started, might give some more possibilities, but...
CanI would prefer to go on with four letters as it was started, might give some more possibilities, but...
Cat
CarsCans
BarsCars
BarkBars
BankBark
DankBank
SankIs that even an english word? Well, if yes
Rank
Ty for enlightning me
Well, thenTalkTy for enlightning meWell, then
Tank
WalkTalk
FallWall
BallFall
BellBall
BeltBell
BoltBelt