some TLAs:

PCC

THF

LDS

LSD

PCP

POP

STP

ADD

USA

KDS

RDA

HDL

LDL

NMR

EMT

PDA

TLC

ABC

PAC

NFL

NBA

NHL

SMC

UTA

SLC

NYC

Fun words (use these as often as possible):

fiasco

halcyon

asphyxiate

flux

idyllic

ditty

ephemeral

cathartic

dinghy

kitsch

peon

sycophant

libido

Diaryland