Minimal Greek to Greeklish converter (capital letters only)

gistfile1.py

# coding: utf-8
import sys

alphabet = {
    'Α': 'A',
    'Β': 'B',
    'Γ': 'G',
    'Δ': 'D',
    'Ε': 'E',
    'Ζ': 'Z',
    'Η': 'E',
    'Θ': 'TH',
    'Ι': 'I',
    'Κ': 'K',
    'Λ': 'L',
    'Μ': 'M',
    'Ν': 'N',
    'Ξ': 'X',
    'Ο': 'O',
    'Π': 'P',
    'Ρ': 'R',
    'Σ': 'S',
    'Τ': 'T',
    'Υ': 'U',
    'Φ': 'PH',
    'Χ': 'CH',
    'Ψ': 'PS',
    'Ω': 'O'
}

for name in sys.argv[ 1: ]:
    print( ''.join( list( map( lambda ltr: alphabet[ ltr ], name ) ) ) )