4 letters
- nisi5
- nits5
- nogs7
- noil6
- noir5
- nori5
- nosh7
- nurl7
- oils5
- phis9
- pigs9
- pili8
- ping10
- pins8
- pirn8
- pish9
- prig9
- ragi6
- rags6
- rail5
- rain5
- rang7
- rani5
- rash6
- regs6
- rein5
- reis4
- resh6
- rhos6
- rhus7
- rial5
- rias4
- ribs7
- rich9
- rids5
- riel5
- rifs7
- rigs6
- rile5
- rill6
- rims7
- rind6
- ring7
- rink9
- rins5
- rips7
- rise4
- risk8
- roil5
- rugs7
- ruin6
- rung8
- runs6
- rush7
- sail5
- sain5
- sang7
- sari4
- shag8
- shim9
- shin7
- ship9
- shit6
- shiv10
- shog8
- shri6
- shul8
- shun8
- sial5
- sigh8
- sign7
- sild6
- silk9
- sill6
- silo5
- silt5
- sine5
- sing7
- sinh7
- sink9
- sins5
- sire4
- sirs4
- sith6
- skin9
- slag7
- slid6
- slim8
- slip8
- slit5
- slog7
- slug8
- slur6
- snag7
- snib8
- snip8
- snit5
- snog7
- snug8
- soil5
- soli5
- song7
- sori4
- sorn5
- spin8
- sris4
- stir4
- sugh9
- sung8
- swig9
- syli7
- thin7
- thir6
- this6
- tils5
- ting7
- tins5
- tirl5
- trig6
- ughs9
- urns6
- vigs10
- virl9
- whig11
- whin10
- whir9
- wigs9
- wing10
- wins8
- wish9
- yins7
- zigs15
- zing16
- zins14