Onco- Oo- Oligo- Orch-
Neuro- Naso- Nephro- Necro-
Oo- Mammo- Myo- Mega-
Orch- Oo- Oligo- Onco-
Morpho- Naso- Nephro- Neuro-
Oo- Mammo- Mega- Morpho-
Onco- Oligo- Oo- Orch-