nsok nsos nssa nssc nsso nsss nstc nstd nsts ntcc ntds ntnd ntsc ntss ntto oaks oasc oass oast oats ocac ocad ocak ocan ocas ocat occa occc occn occt ocds ocks ocna ocon ocos ocsa oct- octa octo octs odac odas odda oddd odds odon odoo odos odot odso odts okak okan okas okka okko okna okno okok okon okot oksa okso okta okto onan onas onat onc- onca oncd onco onct onda ondo onna onno onod onon onos onsc onso onst ont- ontc onto ooaa ooak ooda oona oons oont oooo ooos oosa oost oots osak osan osas osat osca oscc osco osno osoo osos ossa ossd osso osta ostc osts otac otak otan otas otcd oto- otok oton otoo otos otsa otso otta otto otts s-os sa-c saac saad saak saan saas saat saca sacc sacd sack sacn saco sacs sact sada sadc sadd sado sads sadt saka sakk sako saks sana sand sank sann sano sans sant saon saos sasa sasc sasd sask saso sass sast sata satc satd satn sato sats satt scaa scac scad scak scan scas scat sccc sccs scct scda scdc scds sck- scna scnd scnt scok scon scoo scot scsa scsc scsd scsn scso scst sctc sctd sctn scto scts sdak sdcc sdco sddc sdds sdna sdot sdsc sdss skac skad skan skat skn- skon skot sksd skss snad snak snas snat snca sncc snco snda snns snoa snoc snod snoo snos snot snsd soad soak soan soas soat soca sock soco socs soda sodd sodo sods soka sokk sokn soko son- sona sond sonk sono sons sont sood sook soon soos soot sosa soso soss sost sota sotc sotk sotn soto sots ssaa ssac ssan ssao ssas ssat ssca sscc sscs ssdc ssdd ssns ssoc ssot sssa sssc ssss ssta sstc sstd ssts stac stad stak stan stas stat stca stcc stcs stds stks stnd stnn stns stoa stod stok ston stoo stos stot stss sttc sttd taa- taan taas taat taca tacc tack taco tacs tact tada tado tads taka takk tako taks takt tana tand tank tann tano tans tant taoa taos tasa tasc task tass tast tata tato tats tatt tcad tcca tccc tcdd tcnn tcon tcos tctc tcts tdac tdna tdss tkac tkod tkon tkos tkts tnca tncc tndd tnks tnts toad toan toas toat toca tock toco toda todd todo tods todt toka toko tona tonk tonn tono tons tooa tood took toon toos toot tosa tosc tosk toso toss tost tota totc totd toto tots tott tsaa tsao tsat tsca tscc tsks tsna tsos tssa tsst tstc tsts ttcn tton ttss tttt