XCompose my file

.XCompose_latex

## from ~/.XCompose    ^(at)include "~/.XCompose_latex" 
# greek small letters
<Multi_key> <g> <a> : "\\alpha"    U03B1    # GREEK SMALL LETTER ALPHA
<Multi_key> <g> <b> : "\\beta"    U03B2    # GREEK SMALL LETTER BETA
<Multi_key> <g> <g> : "\\gamma"    U03B3    # GREEK SMALL LETTER GAMMA
<Multi_key> <g> <d> : "\\delta"    U03B4    # GREEK SMALL LETTER DELTA
<Multi_key> <g> <e> : "\\epsilon"    U03B5    # GREEK SMALL LETTER EPSILON
<Multi_key> <g> <z> : "\\zeta"    U03B6    # GREEK SMALL LETTER ZETA
<Multi_key> <g> <h> : "\\eta"    U03B7    # GREEK SMALL LETTER ETA
<Multi_key> <g> <i> : "\\iota"    U03B9    # GREEK SMALL LETTER IOTA
<Multi_key> <g> <k> : "\\kappa"    U03BA    # GREEK SMALL LETTER KAPPA
<Multi_key> <g> <l> : "\\lamda"    U03BB    # GREEK SMALL LETTER LAMDA
<Multi_key> <g> <m> : "\\mu"    U03BC    # GREEK SMALL LETTER MU
<Multi_key> <g> <n> : "\\nu"    U03BD    # GREEK SMALL LETTER NU
<Multi_key> <g> <p> : "\\pi"    U03C0    # GREEK SMALL LETTER PI
<Multi_key> <g> <r> : "\\rho"    U03C1    # GREEK SMALL LETTER RHO
<Multi_key> <g> <s> : "\\sigma"    U03C3    # GREEK SMALL LETTER SIGMA
<Multi_key> <g> <t> : "\\tau"    U03C4    # GREEK SMALL LETTER TAU
<Multi_key> <g> <u> : "\\upsilon"    U03C5    # GREEK SMALL LETTER UPSILON
<Multi_key> <g> <f> : "\\phi"    U03C6    # GREEK SMALL LETTER PHI
<Multi_key> <g> <x> : "\\chi"    U03C7    # GREEK SMALL LETTER CHI
<Multi_key> <g> <o> : "\\omega"    U03C9    # GREEK SMALL LETTER OMEGA

# doubles (additional stroke <q>)
<Multi_key> <g> <q> <t> : "\\theta"    U03B8    # GREEK SMALL LETTER THETA
<Multi_key> <g> <q> <o> : "\\omicron"    U03BF    # GREEK SMALL LETTER OMICRON
<Multi_key> <g> <q> <p> : "\\psi"    U03C8    # GREEK SMALL LETTER PSI
<Multi_key> <g> <q> <s> : "\\sigma"    U03C2    # GREEK SMALL LETTER FINAL SIGMA
<Multi_key> <g> <q> <x> : "\\xi"    U03BE    # GREEK SMALL LETTER XI

키보드 셋팅에서 오른쪽 ctrl키를 compose키로 셋팅한 후 이렇게 사용하시면 좋습니다.