<tr><td><tt>a</tt></td><td>Items are numbered a., b., c., …</td></tr>
<tr><td><tt>A</tt></td><td>Items are numbered A., B., C., …</td></tr>
<tr><td><tt>AAK</tt></td><td>Items are numbered A., B., C., …, in small caps.</td></tr>
<tr><td><tt>r</tt></td><td>Items are numbered in lowercase Roman numerals.</td></tr>
<tr><td><tt>R</tt></td><td>Items are numbered in uppercase Roman numerals.</td></tr>