csc, tech, base
csc, comp, acm
csc, mous, base

the table should look something like below, but in an html table with the appropriate rowspans.

rs=rowspan, just usinf to fit on one line
<r></r> means <tr></tr>, just using to fit on one line

<r><td rs=3>csc</td><td rs=1>tech</td><td rs=2>base</td></r>
<tr><td rs=1>comp</td></tr>
<tr><td rs=1>mous</td><td rs=1>acm</td></tr>

to get something like this in an html table

|csc|tech|base|
|   |comp|    |
|   |mous|acm |