5 letters
- stoat5
- stobs8
- stoma8
- stone6
- stony8
- stoup9
- stour6
- stout6
- stubs9
- stuff12
- stung9
- stunk11
- stuns7
- stunt7
- stupa9
- subah11
- subas9
- suint7
- sulfa10
- sulfo10
- sunna8
- sutra6
- sutta6
- swoun10
- tabes8
- taboo8
- tabor8
- tabun10
- tabus9
- tacos8
- taffy13
- tains6
- talon7
- talus7
- tango8
- tangs8
- tanks10
- tansy8
- tanto6
- tarns6
- taros5
- taunt7
- tauts6
- taxon13
- taxus13
- teffs11
- thous8
- tiffs11
- toads6
- toast5
- toeas5
- toffs11
- toffy13
- tofts8
- tofus9
- togas7
- tolan7
- tolas6
- tolus7
- toman9
- tombs11
- tonal7
- tones6
- tonga8
- tongs8
- tonus7
- toons6
- toras5
- torus6
- tours6
- touse6
- touts6
- towns9
- trans6
- trona6
- tsuba9
- tubae9
- tubal10
- tubas9
- tubes9
- tufas9
- tuffs12
- tufts9
- tunas7
- tunes7
- tungs9
- turbo9
- turfs9
- turns7
- ulans8
- ulnas8
- umbos12
- unais7
- unapt10
- unaus8
- unban11
- unbar10
- unbox17
- uncos10
- unfit10
- ungot9
- unhat9
- units7
- unsay9
- unset7
- urban10
- usnea7
- vatus10
- vaunt11
- waffs14
- wafts11
- wants9
- wonts9
- yaffs13
- yuans9