4 letters
- knar9
- knit9
- knob12
- koan9
- koas8
- kobs11
- kois8
- kris8
- kuna10
- kvas12
- labs8
- lain6
- lank10
- libs8
- link10
- lins6
- main8
- mana8
- mans8
- mask11
- mibs10
- mina8
- mink12
- naan6
- nabe8
- nabs8
- nada6
- nags7
- naif8
- nail6
- nana6
- nans6
- naoi5
- naos5
- naps8
- nark9
- nays7
- nazi14
- nebs8
- nibs8
- nick12
- nils6
- nims8
- nipa8
- nips8
- nisi5
- nits5
- nobs8
- nubs9
- oaks8
- obia7
- obis7
- oink9
- okas8
- paik11
- pain8
- pans8
- pian8
- pias7
- pika11
- pina8
- pink12
- pins8
- raia4
- rain5
- raki8
- rani5
- rank9
- rias4
- ribs7
- rink9
- rins5
- risk8
- sabe7
- sabs7
- sack11
- sadi5
- saga6
- said5
- sail5
- sain5
- sake8
- saki8
- sand6
- sane5
- sang7
- sank9
- sans5
- sari4
- sark8
- sati4
- sawn8
- scab10
- scan8
- shin7
- sial5
- sibb10
- sibs7
- sick11
- sign7
- sike8
- silk9
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- skag10
- skas8
- skat8
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slab8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snob8
- snub9
- soak8
- span8
- spik11
- spin8
- stab7
- suba8
- sunk10
- swab10
- swan8
- tabs7
- tain5
- taka8
- tank9
- tans5
- task8
- tins5
- unai6
- vain9
- vans9
- vasa8
- vina9
- visa8
- wabs10
- wain8
- wans8
- wink12
- wins8
- yaks10
- yank11
- yins7
- zins14