I would appreciate help in decoding the lyrics of this beautiful rAgamAlikA composed on Ariyakudi Sri Ramanuja Iyengar. I already checked with Lakshman Sir who does not have the lyrics in his database. Information on the composer would also be appreciated. I am quite Sanskritically challenged, so apologies if my transcribing job is rubbish

The above recording by Sri KVN is attached for reference. He sings this composition on his Guru with such bhAva, devotion and absolute fidelity to sruti - the transition from punnAgavarALi to kApi gives me goosebumps every time I hear it.
srI vishNu pada - rAgamAlikA - jhampa - sri t.s. bAlakrishNa sAstrigaL
1. yamunA kalyANi
sri vishNu pada kripa bhakta [varyam?]
sri vaishNava kula prapUrNa prabhAvam
sangIta ratnAkara padma bhUSaNam
sadguru varam naumi rAmAnujAkhyam
2. nAdarAmakriyA
???? rAja maNDitam
viSiShTa vaitALika [kArakAdhyakam?]
suSiShTa shishyAvara pAlana [vratam?]
sadguru varam naumi rAmAnujAkhyam
3. navarauj
sivaguruguha gIta manOharam
prabala prapanCAdi kIrtanakaram
sushrutilaya sukhada pradAyakam
sadguru varam naumi rAmAnujAkhyam
4. punnAgavarALi
santata ???????????????
sukha bhOga bhOgya pUrva puNya [yutam?]
rAga gnAna viSESha lakshya lakshaNam
sadguru varam naumi rAmAnujAkhyam
5. kApi
saha gAyaka ?????????? prabhum???
sahaCArinA vinOda
nija guru pada sEvita siShya vargam
sadguru varam naumi rAmAnujAkhyam
6. sindhubhairavi
sri tyAgabrahma Sishya kulAbdhi Candram
srInivAsa pada sEvitAntarangam
bhAratIya kalApravINa bhAskaram
sadguru varam naumi rAmAnujAkhyam