What are the words at the beginning of bl, br, fl, fr, cl, cr, pl, pr, gl, gr, sm, sn, sl and sw?

bra brac brace brack Brad brac brac brac Brad brac brac brac Brad Brad brac brac brac brac brac brac brac brac brac Brad Brad Brad Brad Brad Brad brac brac brac brac brac brac brac brac brac brac brac brac Brad Brad Brad Brad Brad Brad Brad brac brac brac brac brac brac brac brac brac brac brac brac b rac brac brac brac brac Brad Brad Brad Brad Brad Brad Brad brac brac brac brac brac brac brac brac brac brac brac brac brac Brad Brad Brad Brad

Flab flag flag flag flag flag flag flag flagpole flag flagstone floor

Clabber clad claims that clams have a clear perspective.

Cr: Crab, Crab Meat, Cracks, Cracks, Cruel Five-flavor Bottle

Pl: Posters appease local placemats and copy the plague.

Practical practitioner

GL:glace glade glad glay glan

Gray: gradgrabber grabby grace grace fully

sm:smack small smart smarmy

Sn: snag Snail Snail Snake snap snapper

SLA:slak slak slam slam slam slam slam slam slack

Sw:swab swal swal swallows exchange

Sp: special shovel for spa spacecraft

ST:stab stable stable steer still stock stick

Skank Skiing Skiing skee skein Skiing Skiing Skiing Skiing Skiing Skimming