expand x*y concludes with one

[積丹尼 Dan Jacobson]

# su - nobody
$ touch kaaaaam kaam kam
$ : k*m<TAB> #becomes:
$ : kaaaaam
$ sh
sh-4.4$ : k*m<TAB> #does a better job it seems:
kaaaaam  kaam     kam
sh-4.4$ : k*m