-itis fissi fisto fists fitit fitof fitto fitts fofos foios foist footi foots fotos if-- ifits ifttt iiiii iitti ioooi ioooo iotit iotti is-is isfit isios isisi isiti isits isitt isoff isoft istoo itfit itisi itiso itoff itoss itsit itsso itsto ittoo ittti offis offit offof offto ofoto ofsit oitti ooioo ooooo ososo ossi- ossis ossos ostis otoso ototo ottis ottoi ottos s-iii sifts sisis sissi sisto sists sitio sitit sito- sitsi sitti so-so sofis softs soosi soots soss- sossi sosti sosto sotio sotoo sotos sotto sotts sssss stfis stiff stift stiif stitt stoff stoit stoos stoot stoss stots stott ti-ti tiffs tifts tisis tisof tiss- tissi tisso titii titis titof titos titti toffo toffs tofit tofts toist toits toost toots tosit tosos toss- tosti tosto toti- toto- totoo totos tsito ttttt