states that flow together (the last letter of one state will be the first of the adjoining state
this pair share a border with the first ending in "k" and the second starting in "k"
What is New York and Kentucky
one has St. louis; the other has east St. louis
what is Missouri and Illinois?
not an island with first and last letter being a "a"
What is Alabama and Arizona
one a state,the other a province with both ending in "o", and share a long border in the mid-west
what is Ohio and Ontario
both have a similar shape with one looking like a sideways thumbs up
what is Idaho and Oklahoma