4 letters
- mica10
- moas7
- mobs10
- mocs10
- moms10
- much13
- muck15
- muds9
- mugs10
- mumm14
- mump14
- mums11
- mumu12
- muns9
- mura8
- muse8
- mush10
- musk12
- muss8
- must8
- muts8
- nabs8
- nubs9
- numb12
- ocas7
- paca10
- pacs10
- pams10
- pubs11
- puma11
- rams7
- rubs8
- rums8
- sabe7
- sabs7
- sack11
- sacs7
- saga6
- same7
- samp10
- saul6
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scud9
- scum11
- scup11
- scut8
- seam7
- sham9
- sima7
- skua9
- slab8
- slam8
- slub9
- slum9
- smug10
- smut8
- snub9
- soma7
- spam10
- stab7
- stub8
- stum8
- suba8
- subs8
- such10
- suck12
- sumo8
- sump11
- sums8
- sura5
- swab10
- swam10
- swum11
- tabs7
- tabu8
- tams7
- taus5
- tuba8
- tubs8
- umbo11
- umps11
- upas8
- urbs8
- ursa5
- utas5
- vacs11
- vasa8
- vaus9
- wabs10
- yams9
- yuca10