From WikiKnowledge
(knee dive) Jump, d + MK
(upward kick) Jump, u + HK
(directed laser) Jump, u / d + HP
(missile launch) d + HP
Uni-Beam hcf + P (air)
Repulsor Blast hcb + P
Smart Bomb Press same P + K (air)
Kuuchuu Dash In air, any direction + PP
Hikou qcb + KK, repeat to end (air)
*Proton Cannon (x2) qcf + PP
Missile Press HP while crouching
(knee dive) In air, d + HK
(upward kick) In air, u + HK
(directed laser) In air, uf~df + HP
Unibeam qcf + P (air)
Repulsor Blast hcb + P
Smart Bomb Press (b / f +) LK + HP (air)
Hikou qcb + KK, repeat to end (air)
Kuuchuu Dash Jump, press in any dir. + PP
*Proton Cannon qcf + PP