b-u bbb bbc bbm bbo bbs bbt bbu bcb bcc bcm bco bcs bct bcu bmb bmc bmm bmo bms bmt bmu bob boc bom boo bos bot bou bsb bsc bsm bso bss bst bsu btb btc btm bto bts btt btu bub buc bum buo bus but buu c-- cbb cbc cbm cbo cbs cbt cbu ccb ccc ccm cco ccs cct ccu cmb cmc cmm cmo cms cmt cmu co- cob coc com coo cos cot cou csb csc csm cso css cst csu ctb ctc ctm cto cts ctt ctu cub cuc cum cuo cus cut cuu m-o mbb mbc mbm mbo mbs mbt mbu mc- mcb mcc mcm mco mcs mct mcu mmb mmc mmm mmo mms mmt mmu mob moc mom moo mos mot mou msb msc msm mso mss mst msu mtb mtc mtm mto mts mtt mtu mub muc mum mus mut muu ob- obb obc obm obo obs obt obu oc- ocb occ ocm oco ocs oct ocu om- omb omc omm omo oms omt omu oo- oob ooc oom ooo oos oot os- osb osc osm oso oss ost osu ot- otb otc otm oto ots ott otu ou- ouc oum ouo ous out sbb sbc sbm sbo sbs sbt sbu scb scc scm sco scs sct scu smb smc smm smo sms smt smu sob soc som soo sos sot sou ss- ssb ssc ssm sso sss sst ssu stb stc stm sto sts stt stu sub suc sum suo sus sut suu tbb tbc tbm tbo tbs tbt tbu tcb tcc tcm tco tcs tct tcu tmb tmc tmm tmo tms tmt tmu to- tob toc tom too tos tot tou tsb tsc tsm tso tss tst tsu ttb ttc ttm tto tts ttt ttu tub tuc tum tuo tus tut tuu ubb ubc ubo ubs ubt ubu ucb ucc ucm uco ucs uct ucu um- umb umc umm umo ums umt umu uob uoc uom uoo uos uot usb usc usm uso uss ust usu utb utc utm uto uts utt utu uuc uum uus uut uuu

-ous bbbb bbbs bbcm bcbc bcbs bccc bccm bccs bcms bcos bcsc bcsm bcss bctc bcts bcuc bmoc bmtc bmts bmus bobb bobo bobs bobu bocm boco bocs bocu bomb boms bomt bomu boob booc boom boos boot bosc bosm boso boss bost bosu botb boto bots bott boum bous bout bscs bsms bsmt bsos bssc bssm bsts btcc btcs btob btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu bum- bumb bums busc buss bust busu but- buto buts butt buus c-bo cbbc cbbs cbcc cbcm cbcs cbct cbcu cbms cbot cbsc cbsm cbtc cbus ccbc cccb cccc cccm cccs cccu ccmb ccmc ccmm ccms ccob ccoc ccom ccss ccst cctb cctc cctt ccuc ccus ccut cmbc cmbs cmcc cmcs cmmb cmmc cmms cmoc cmos cmot cmsc cmst cmtc cmtu cmus cobb cobo cobs cobu coco coct cocu com- comb comc comm como coms comu coob coom coos coot cosc cosm coso coss cost cotb cotc coto cots cott cotu coub cous cout csbm cscb cscc csco cscs csmc csmu csob csom csos csot cssm cstc cstm csto csts csum csus ctbs ctmo ctos ctot ctsc ctss ctsu ctts cub- cubb cubs cucc cucm cum- cums cumt cusb cuso cuss cust cusu cut- cutc cuto cuts cutt mbbs mbcs mbms mbou mbus mcbc mccc mcmc mcmt mcot mcss mcst mctc mcts mctu mmcc mmcm mmcs mmct mmmc mmmm mmms mmsc mmst mmsu mmts mmus mobb mobo mobs moco mocs momo moms momu moob mooc moos moot mosc moso moss most mosu motb motm moto mots mott motu mous mout mscc msco msmb msmc msmm msms msmu mssm msst mstc msts msus mtbc mtbo mtbs mtom mtss mtst mtts mtuc mubo mubs muc- mucc mucu mumm mumo mums mumu muos musc muso muss must musu muto muts mutt mutu muut obbo obos obot obss obst obts obus ocbc occc occt ocms ocom ocos oct- octo octs ocum ombo ombu omo- omoo omuo omus ooms oooo ooos oost ootb oots oous oscc osco osm- osmo osoo osos ossb osso ossu ostc osts osum otbs oto- otoo otos otso otsu otto otts ottu otus oubs oucc oust out- outb outo outs ouu- s-os sbbs sbcc sbcs sbct sbmc sbot sbst sbtc sbus sccc sccm sccs scct scmc scmm scmo scms scob scom scoo scot scsc scso scst scsu sctc scto scts scub scum scut smbc smcc smoc smos smot smsc smss smtc smtu smus smut sobo sobs sobt sobu socm soco socs somb somm somo soom soos soot soso soss sost sotc sotm soto sots sotu soum sous sout sscc sscs ssmc ssoc ssot sssb sssc sssm ssss sstb sstc ssts stbc stbs stcc stcs stcu stmc stms stmt stob stom stoo stos stot stou stsm stss sttc stub stuc stum stus stut sub- subb subm subo subs suc- succ sucs sum- sumo sums sumu suos sus- suso suss sust susu suto sutu suum suus t-mo tbbs tbcb tbcc tbst tcbs tccc tccu tcom tcos tctc tcts tmbc tmcc tmcm tmos tmou tmsc tmtt tobo tobs tobt tobu toco tomb tomm tomo toms tomt toom toos toot tosb tosc toso toss tost tosu totc totm toto tots tott toum tous tout tsbc tscc tsmc tsob tsom tsos tsou tssm tsst tstc tstm tsts tsum ttbb ttms ttss tttt tubb tubo tubs tubu tucc tuco tumb tums tumu tuos tusc tusm tuss tust tuto tuts tutt tutu tuum tuuo ubbo uboc ubos ucbc ucmc ucom ucos ucsb ucsc ucsm ucst ucsu ucut umb- umbo ummo umms umsu umts umus umut uocc uomo usbc usbs uscc uscm usco uscs usmc usmm usms usoc usos ussb ussc usss usst ussu ustb ustc ustm usto usts usus utmb utsc utto uttu uuoc uuuu

bbuss bcbst bmocs bo-bo boboc bobos bobst bobts bocom bocus bombo bombs bomso boobs booco boomb booms boost boots bosco boscs bosom bosso bosut botom botos botou botts bottu botus boust