HMHM /ˌeɪtʃ ˈem/ 
the abbreviation of His/Her Majesty: 
HM the Queen
the abbreviation of His/Her Majesty: HM the Queen- London Philharmonic Orchestra
- London Regional Transport
- London School of Economics
- London Season
- London Symphony Orchestra
- London Transport
- London University
- London weighting
- London Zoo
- lone
- loneliness
- lonely
- lonely hearts
- zither
- Z-list
- Z-lister
- zodiac
- Zodiac Killer
- Zola, Emile
- zombie
- zonal
- zone
- zoned
- zoning
- zonked