Words with Letters: a s t i r airts 5astir 5sitar 5stair 5stria 5tarsi 5airs 4airt 4aits 4arts 4rais 4rats 4 rias 4sari 4sati 4star 4stir 4tars 4tsar 4air 3ais 3ait 3ars 3art 3its 3rai 3ras 3rat 3ria 3sat 3sir 3sit 3 sri 3tar 3tas 3tis 3ai 2ar 2as 2at 2is 2it 2si 2ta 2ti 2