-up b-p b-u bbb bbc bbo bbp bbs bbt bbu bby bcb bcc bco bcp bcs bct bcu bcy bob boc boo bop bos bot bou boy bpb bpc bpo bpp bps bpt bpu bpy bsb bsc bso bsp bss bst bsu bsy btb btc bto btp bts btt btu bty bub buc buo bup bus but buu buy by- byc byo byp bys byt byu c-- cbb cbc cbo cbp cbs cbt cbu cby ccb ccc cco ccp ccs cct ccu co- cob coc coo cop cos cot cou coy cpb cpc cpo cpp cps cpt cpu csb csc cso csp css cst csu csy ctb ctc cto ctp cts ctt ctu cty cub cuc cuo cup cus cut cuu cuy cyb cyc cyo cyp cys cyt ob- obb obc obo obp obs obt obu oby oc- ocb occ oco ocp ocs oct ocu oo- oob ooc ooo oop oos oot op- opb opc opo opp ops opt opy os- osb osc oso osp oss ost osu ot- otb otc oto otp ots ott otu ou- ouc ouo oup ous out oyo oys p-p pbb pbc pbo pbp pbs pbt pbu pby pcb pcc pco pcp pcs pct pcu pob poc poo pop pos pot pou poy ppb ppc ppo ppp pps ppt ppu ps- psb psc pso psp pss pst psu psy pt- ptb ptc pto ptp pts ptt ptu pty pub puc pup pus put puu puy py- pyb pyc pyo pys pyt pyu sbb sbc sbo sbp sbs sbt sbu sby scb scc sco scp scs sct scu sob soc soo sop sos sot sou soy spb spc spo spp sps spt spu spy ss- ssb ssc sso ssp sss sst ssu stb stc sto stp sts stt stu sty sub suc suo sup sus sut suu suy sy- syb syc syp sys syt syu tbb tbc tbo tbp tbs tbt tbu tcb tcc tco tcp tcs tct tcu to- tob toc too top tos tot tou toy tpb tpc tpo tpp tps tpt tpu tsb tsc tso tsp tss tst tsu tsy ttb ttc tto ttp tts ttt ttu tty tub tuc tuo tup tus tut tuu tuy tyc tyo typ tys tyt ubb ubc ubo ubp ubs ubt ubu uby ucb ucc uco ucp ucs uct ucu uob uoc uoo uop uos uot up- upb upc upo upp ups upt upu usb usc uso usp uss ust usu utb utc uto utp uts utt utu uty uuc uus uut uuu uyc uyo uys uyu ybc ybp ybs yby ycc yco ycp ycs ycu ycy yob yoc yoo yop yos yot you yoy ypo yps ypu ysb ysc yso ysp yss yst ysu ysy ytc yto ytp yts ytt ytu yuo yup yus yut yuu yuy yyb yyc yys yyt yyu yyy

-ous bbbb bbbs bboy bbyo bcbc bcbp bcbs bccc bccs bcos bcpp bcps bcsc bcss bctc bcts bcuc bcup bobb bobo bobs bobu boby boco bocs bocu boob booc boop boos boot bopp bops bosc boso boss bost bosu botb boto bots bott boty boup bous bout bouy boyo boys bpcp bpot bpsu bscp bscs bsos bspp bssc bsts bsup btbp btcc btcs btob btps btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu buoy bupc bups busc buss bust busu busy but- buto buts butt buty buus buyo buys buyu byob byoc byop byos bysb byso bysp byss byst bysy byts c-bo cbbc cbbs cbcc cbcp cbcs cbct cbcu cbot cbpc cbpp cbsc cbtc cbus cbyt ccbc cccb cccc cccp cccs cccu ccob ccoc ccpp ccps ccsp ccss ccst cctb cctc cctt ccuc ccup ccus ccut cobb cobo cobs cobu coby coco cocp coct cocu coob coop coos coot copo copp cops copt copy cosc coso cosp coss cost cosy cotb cotc coto cots cott cotu coty coub coup cous cout couy coyo coys coyt cpbc cpcs cpcu cpos cpps cpsc cpso cpsu cptp cpts cpus cscb cscc csco cscs csob csos csot cspb cspc csps cspt cstc csto csts csup csus csys ctbs ctcp ctos ctot ctpo ctpp ctps ctsc ctss ctsu ctts cub- cubb cubs cuby cucc cupo cupp cups cusb cuso cusp cuss cust cusu cusy cut- cutc cuto cuts cutt cuy- cuyo cuyp cybb cybc cybo cyc- cycb cycc cycs cypc cyps cyst cyt- cytb cyto cyy- cyyc obbo obby obos obot oboy obss obst obts obus ocbc occc occt ocos ocpp oct- octo octs octy ocys ooby oooo ooos oops oost ootb ootp oots ooty oous opo- opos oppo opps oppy opsu opsy opto opts opus osbp osby oscc osco osoo osos ossb osso ossu ossy ostc osts osyp osyt otbs oto- otoo otos otoy otpp otso otsu otto otts ottu otus oubs oucc oust out- outb outo outs outy ouu- oyou oyss oyst pbcc pboc pbsp pcbc pcbs pccc pccs pcos pcpb pcpp pcps pcso pcts pobo pobs poco pocs poop poos poot pop- popc popo popp pops popt popy posb poso poss post posy potc poto pots pott potu poty poup pous pout pouy poyo poys ppcc ppcs ppos pppo pppp ppps ppss ppts pptt psbt psco pscu psoc psos psou pspp psps pssc psso psst psts pstu psy- psys ptcc ptop pttc pubs pubu puoy pups pupu pupy puss pust put- puto puts putt putu puuc puy- puyo puys puyt pyo- pyos pyot pypy pyss pyst pytt s-os sbbs sbcc sbcs sbct sbot sbsp sbst sbtc sbus sccc sccp sccs scct sccy scob scoo scop scot scpb scpo scps scpt scsc scso scst scsu sctc scto scts scub scup scut sobo sobp sobs sobt sobu soco socs socy soop soos soot sooy sopo sopp sops sopu sopy soso soss sost sotc soto sotp sots sotu soup sous sout soyo soys soyt spby spcc spco spcs spoc spoo spop spos spot spoy spps spso spsp spss spst sptb sptc spto spts spus sput spy- spys ssby sscc sscp sscs ssoc ssop ssot sspc sspo ssps sspt sssb sssc ssss sstb sstc sstp ssts