4 letters
- nema8
- neuk10
- neum9
- nims8
- noma8
- noms8
- nous6
- nubs9
- nuke10
- numb12
- nuns7
- nuts6
- oaks8
- okas8
- onus6
- pams10
- pans8
- puma11
- puna9
- punk13
- puns9
- rams7
- rank9
- rums8
- runs6
- rusk9
- sack11
- saga6
- sain5
- sake8
- saki8
- same7
- samp10
- sand6
- sane5
- sang7
- sank9
- sans5
- sark8
- saul6
- sawn8
- scam10
- scan8
- scum11
- seam7
- sham9
- shun8
- sima7
- sink9
- skag10
- skas8
- skat8
- skim11
- skin9
- skua9
- slam8
- slum9
- smug10
- smut8
- snag7
- snap8
- snaw8
- snub9
- snug8
- soak8
- soma7
- souk9
- spam10
- span8
- spun9
- stum8
- stun6
- suba8
- suck12
- sulk10
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sura5
- swam10
- swan8
- swum11
- taka8
- tams7
- tank9
- tans5
- task8
- taus5
- tuna6
- tuns6
- tusk9
- ukes9
- ulan7
- ulna7
- umps11
- unai6
- unau7
- upas8
- urns6
- ursa5
- utas5
- vans9
- vasa8
- vaus9
- wans8
- wauk12
- yaks10
- yams9
- yank11
- yuan8
- yuks11