onas onat onda ondi ondo onia onis onit onna onni onno onod onon onos onso onst ont- onti onto ooaa ooba oobi ooda oodi ooia ooid oona oons oont oooo ooos oosa oosi oost ootb oots osai osan osas osat osba osdi osia osii osin osis osno osoi osoo osos ossa ossb ossd ossi osso osta osti osts otan otas otbd otbs otin otis otit oto- oton otoo otos otsa otso otta otti otto otts s-ib s-ii s-os saab saad saan saas saat saba sabb sabi sabo sabs sada sadb sadd sadi sado sads sadt saia said sain sais sait sana sand sani sann sano sans sant saoi saon saos sasa sasd sasi saso sass sast sata satb satd sati satn sato sats satt sbaa sbai sbas sbbs sbds sbia sbot sbsa sbsd sbsi sbst sbtn sdba sdds sdib sdio sdna sdot sdss siaa siab siai sian sias siat siba sibi sibo sibs sida sidd sidi sido sids siit sina sind sini sinn sino sins sint siod sion sios siot sisa sisd sisi siss sist sit- sita sitd siti sitn sito sits sitt snab snad snas snat snba snda snia snib snid snit snns snoa snob snod snoo snos snot snsd soad soan soas soat soba sobo sobs sobt soda sodd sodo sods soia soin sois soit son- sona sond soni sono sons sont sood soon soos soot sosa sosi soso soss sost sota sotn soto sots ssaa ssab ssan ssao ssas ssat ssbn ssdd ssid ssin ssis ssit ssns ssot sssa sssb sssi ssss ssta sstb sstd ssts stab stad stai stan stas stat stbd stbs stds stia stib stid stio stis stit stnd stnn stns stoa stob stod ston stoo stos stot stsi stss sttd taa- taan taas taat taba tabb tabi tabo tabs tada tado tads taia tain taio tais tait tana tand tani tann tano tans tant taoa taos tasa tasb tasi tass tast tata tatb tati tato tats tatt tbas tbbs tbit tbst tbta tddb tdis tdna tdss tiaa tiab tian tiao tias tiba tibi tibs tidd tids tiit tina tind tini tinn tino tins tint tion tios tisa tisb tisi tiso tiss tist tita titi tito tits titt tndd tnts toab toad toan toas toat toba tobi tobo tobs tobt toda todd todi todo tods todt toid tois toit tona tonb toni tonn tono tons tooa tood toon toos toot tosa tosb tosi toso toss tost tota totd toti toto tots tott tsaa tsai tsao tsat tsbd tsdb tsia tsid tsin tsis tsna tsob tsoi tsos tssa tssi tsst tsts ttab ttbb tton ttss tttt