tabb tabc tabe taca tacc tace tact tada tade taec taer tafa tafc tafe taff taft tara tarb tarc tard tare tarf tarr tart tata tatb tate tatr tatt tbaf tbar tbca tbcb tbcc tbcd tbce tbrb tbta tcad tcca tccc tcdd tcfc tctc tdac tddb tdff tdra teac tead tear teat teba teca tecr tect teda tedd tede teec teed teef teer teet tefc teff teft ter- tera terc tere terf terr teta tete tetr tett tfae tfca tfdc tfeb tfec tftc traa trab trac trad trae traf trat trca trcc tre- trea trec tred tree tref tret trfc trfd trfr trra trtc trte trtr ttab ttbb tter ttfa ttfc ttff tttt