Short a:
at can cat back dad
am bat mad ran sack
Short i:
six lip in wig it
did mix sit pin fix
Short o:
hot hop pot pop ox
lock mop got rock mom
Inflected endings: -s
sit win fit hit nap
sits wins fits hits naps
Short e:
men red step ten net
leg jet sled wet bed
Short u:
crust bump jump must just
dust trust dusk hunt lump