Depends on the position, either at the end or not. Thus in "om namah sivaya" it reads as "om namo..." while in "...tasmai sri gurave namah" it reads as "...namaha".

Hope this helps. Hare Krsna
Your servant, bh. Jan

www.vrindavan-dham.com
www.veda.harekrsna.cz

dvaitaM bandhAya mokSAt prAk prApte bodhe manISayA
bhaktyarthaM kalpitam dvaitaM advaitAd api sundaram

"Duality is bondage before moksa and wisdom after realization. The duality accepted for the purpose of bhakti is sweeter than even non-duality." (from mangalacarana to Advaitasiddhi sara sangraha by Madhusudana Sarasvati, former advaitin)