Thanks for the helpful comments, Neil.

  In the interest of moving this along, I'll post what I have so far.

BB

Cormac iar cosaib cen cuibdius
ro adair dia felius
ali scian ciarbo olc intraus (?) 
a lot ina leigius.

Lec

Cormac iar cosaib cen chuibdius
ro adair dia feilius
ali scian ciarb olc nitaras
a lot ina leiges


    I can't make a coherent translation yet.   "iar cosaib" (after feet) looks like 
it should be an idiom of some sort, but I couldn't find it in the 
dictionary.   'cuibdius' translates "act of harmonizing, reconciling...composing, 
arranging" but also refers to "a metrical device..assonance". 

     'ro adair' looks like a form of "adraid ..adheres to, follows, respects" and is 
followed by 'di''.

     I thought 'ali' might be the interjection "so, well, now".  The word which I 
transcribed as 'intraus/nitaras' is a total mystery.  I wonder if it could be a 
verb vorm starting with 'ni'.?

   'a lot ina leiges' looks like 'his wound in its healing'.

 'feles' translates "vanity, futility, uselessness" and also refers to a line of four 
syllables in poetry.   I thought the word might have been changed to 'felius' 
just to make it rhyme in the poem.

    Liz