b-u bbb bbc bbn bbo bbs bbt bbu bby bcb bcc bcn bco bcs bct bcu bcy bnb bnc bnn bno bns bnt bnu bob boc bon boo bos bot bou boy bsb bsc bsn bso bss bst bsu bsy btb btc btn bto bts btt btu bty bub buc bun buo bus but buu buy by- byc byn byo bys byt byu c-- cbb cbc cbn cbo cbs cbt cbu cby ccb ccc ccn cco ccs cct ccu cn- cnb cnc cnn cno cns cnt cnu cny co- cob coc con coo cos cot cou coy csb csc csn cso css cst csu csy ctb ctc ctn cto cts ctt ctu cty cub cuc cun cuo cus cut cuu cuy cyb cyc cyn cyo cys cyt nbb nbc nbn nbo nbs nbt nbu ncb ncc ncn nco ncs nct ncu nnb nnc nnn nno nns nnt nnu no- nob noc non noo nos not nou noy nsb nsc nsn nso nss nst nsu nsy ntb ntc ntn nto nts ntt ntu nub nuc nun nuo nus nut nuu nuy nyc nyn nyo nys nyt nyu nyy ob- obb obc obn obo obs obt obu oby oc- ocb occ ocn oco ocs oct ocu on- onb onc onn ono ons ont onu ony oo- oob ooc oon ooo oos oot os- osb osc osn oso oss ost osu ot- otb otc otn oto ots ott otu ou- ouc oun ouo ous out oyo oys sbb sbc sbn sbo sbs sbt sbu sby scb scc scn sco scs sct scu snb snc snn sno sns snt snu sny sob soc son soo sos sot sou soy ss- ssb ssc ssn sso sss sst ssu stb stc stn sto sts stt stu sty sub suc sun suo sus sut suu suy sy- syb syc syn sys syt syu tbb tbc tbn tbo tbs tbt tbu tcb tcc tcn tco tcs tct tcu tnb tnc tnn tno tns tnt to- tob toc ton too tos tot tou toy tsb tsc tsn tso tss tst tsu tsy ttb ttc ttn tto tts ttt ttu tty tub tuc tun tuo tus tut tuu tuy tyc tyn tyo tys tyt ubb ubc ubn ubo ubs ubt ubu uby ucb ucc ucn uco ucs uct ucu un- unb unc unn uno uns unt unu uny uob uoc uon uoo uos uot usb usc usn uso uss ust usu utb utc utn uto uts utt utu uty uuc uun uus uut uuu uyc uyo uys uyu ybc ybs yby ycc yco ycs ycu ycy ynn yns ynu yny yob yoc yon yoo yos yot you yoy ysb ysc yso yss yst ysu ysy ytc ytn yto yts ytt ytu yun yuo yus yut yuu yuy yyb yyc yys yyt yyu yyy

-ous bbbb bbbs bboy bbyo bcbc bcbs bccc bccs bcnu bcos bcsc bcsn bcss bctc bcts bcuc bnoc bnss bobb bobo bobs bobu boby boco bocs bocu bonc bonn bono bons bont bonu bony boob booc boon boos boot bosc bosn boso boss bost bosu botb botn boto bots bott boty boun bous bout bouy boyn boyo boys bscs bsns bson bsos bssc bsts btcc btcs btob btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu bunb bunn buno buns bunt bunu buon buoy busc buss bust busu busy but- buto buts butt buty buus buyo buys buyu bync byno byob byoc byon byos bysb byso byss byst bysy byts byun c-bo cbbc cbbs cbcc cbcn cbcs cbct cbcu cbot cbsc cbsn cbtc cbus cbyt ccbc ccbn cccb cccc cccs cccu ccnb ccnc ccns ccnu ccny ccob ccoc ccsn ccss ccst cctb cctc cctt ccuc ccus ccut cnbc cnco cnss cntc cnut cobb cobo cobs cobu coby coco coct cocu con- conc conn cono cons cont cony coob coon coos coot cosc coso coss cost cosy cotb cotc cotn coto cots cott cotu coty coub coun cous cout couy coyn coyo coys coyt cscb cscc csco cscs csny csob csos csot cstc csto csts csus csys ctbs ctns ctos ctot ctsc ctsn ctss ctsu cttn ctts cub- cubb cubs cuby cucc cucn cuno cunt cuny cuon cusb cuso cuss cust cusu cusy cut- cutc cuto cuts cutt cuy- cuyo cybb cybc cybo cyc- cycb cycc cycs cyn- cyno cyon cyst cyt- cytb cyto cyun cyy- cyyc cyyn nbbc nbbo nbcc nbco nbcs nboy nbty ncbc ncbs nccc nccn nccs ncct nccu ncnc ncoc ncos ncsc ncss ncst ncsy nctc nnnn nnos nnot nnss nntn nobc nobo nobs nobu noco nocs noct non- nonn nono nons nont nonu noo- noob noon nooo noos noot nos- noss nost nosu nosy not- noto nots nott noun nous nout noyo noys noyt nsbo nscc nscs nsos nsou nssb nssc nsso nsss nstc nsts nstu nsub ntbc ntcc ntnu ntsb ntsc ntss ntsu ntto ntuc nubc nubs nuby nucs nucu nunc nunn nuno nuns nunt nuny nuoc nuon nuss nust nusu nusy nuts nutt nutu nuys nycc nyco nycy nynt nyny nyon nysc nyss nyst nytb nytc obbo obby obon obos obot oboy obsn obss obst obts obus ocbc occc occn occt ocon ocos oct- octo octs octy ocys onby onc- onco onct onno onon onos onoy onsc onso onst ont- ontc onto onus onut onys ooby oons oont oooo ooos oost ootb oots ooty oous osby oscc osco osno osny osoo osos ossb osso ossu ossy ostc osts osun osyt otbs oto- oton otoo otos otoy otso otsu otto otts ottu otus oubs oucc oun- oust out- outb outo outs outy ouu- oyns oynt oyon oyou oyss oyst oyun s-os sbbs sbcc sbcs sbct sbot sbst sbtc sbtn sbus sccc sccs scct sccy scnt scob scon scoo scot scsc scsn scso scst scsu sctc sctn scto scts scub scun scut scyn sncc snco snns snob snoc snoo snos snot snsy snub snus snys sobo sobs sobt sobu soco socs socy son- sono sons sont sonu sony soon soos soot sooy soso soss sost sotc sotn soto sots sotu soun