5 letters
- serai5
- serfs8
- serif8
- shris7
- sials6
- sieur6
- sifts8
- simar8
- simas8
- sinus7
- sires5
- sirra5
- sirup9
- sisal6
- sitar5
- situs6
- sizar14
- skiff15
- skuas10
- sluff13
- slurs7
- snafu10
- sniff12
- snuff13
- soars5
- sofar8
- sofas8
- soras5
- sorus6
- sours6
- spars8
- spiff14
- spurs9
- staff11
- stair5
- stars5
- stiff11
- stirs5
- stria5
- stuff12
- subas9
- suers6
- sugar8
- suits6
- sulfa10
- supra9
- surah8
- sural7
- suras6
- surds7
- surfs9
- surfy11
- surra6
- sushi8
- sutra6
- swarf11
- tarsi5
- tiffs11
- trass5
- truss6
- tsars5
- tufas9
- tuffs12
- turfs9
- unais7
- uraei6
- urari6
- urase6
- urbia9
- ureas6
- urial7
- ursae6
- users6
- vairs9
- varus10
- virus10
- visas9
- waffs14
- waifs11
- wairs8
- yaffs13
- zarfs17