subsurface
submarine
coastal
coasting
dead-end
deep space
deep-sea
exploratory
far-distant
flat-bottomed
hair-thin
interstellar
lighter-than-air
lunar
oceanic
seagoing
smugglers'
subduction
subglacial
subterranean
under-sea
underwater
unman
Ab
Ac
Ag
Agee
Aimee
Albee
Amputee
B
B.
Be
Bea
Bee
Brea
Bree
Brie
Bt
C
C.
Capri
Cd
Chablis
Cod
Cree
Curie
D
D.
De
Dea
Dee
Di
Dundee
E
E.
Fi
G
G.
Ged
Gretzky
Guarani
He
Henri
Hohensee
Indri
Jaycee
Je
Jubilee
Key
Ki
Kissee
Klee