-ous cccc cccs cccu ccoc ccss ccst cctc cctt ccuc ccus ccut coco coct cocu coos coot cosc coso coss cost cosy cotc coto cots cott cotu coty cous cout couy coyo coys coyt cscc csco cscs csos csot cstc csto csts csus csys ctos ctot ctsc ctss ctsu ctts cucc cuso cuss cust cusu cusy cut- cutc cuto cuts cutt cuy- cuyo cyc- cycc cycs cyst cyt- cyto cyy- cyyc occc occt ocos oct- octo octs octy ocys oooo ooos oost oots ooty oous oscc osco osoo osos osso ossu ossy ostc osts osyt oto- otoo otos otoy otso otsu otto otts ottu otus oucc oust out- outo outs outy ouu- oyou oyss oyst s-os sccc sccs scct sccy scoo scot scsc scso scst scsu sctc scto scts scut soco socs socy soos soot sooy soso soss sost sotc soto sots sotu sous sout soyo soys soyt sscc sscs ssoc ssot sssc ssss sstc ssts stcc stcs stcu stoo stos stot stou stoy stss sttc stuc stus stut stuy stys suc- succ sucs suos sus- suso suss sust susu susy suto sutu suty suus suyo suyu syco syso syss syst sytt tccc tccu tcos tctc tcts to-y toco toos toot tosc toso toss tost tosu tosy totc toto tots tott toty tous tout toyo toys toyt tscc tsos tsou tsoy tsst tstc tsts tsys ttoy ttss tttt ttys tucc tuco tuos tusc tuss tust tuto tuts tutt tutu tuty tuuo tuys tyco tyss tyst tyto tytt tyty tyus ucos ucsc ucst ucsu ucut uocc uscc usco uscs usoc usos ussc usss usst ussu ussy ustc usto usts usus utoy utsc utto uttu uuoc uuuu uyts yccc yctc yoot yoso yost yott yous yout yoyo ysco yssu yust yuto yutu yuty yuyu yyyy