-ol -up b-p b-u bbb bbc bbl bbo bbp bbs bbt bbu bcb bcc bcl bco bcp bcs bct bcu blb blc bll blo blp bls blt blu bob boc bol boo bop bos bot bou bpb bpc bpl bpo bpp bps bpt bpu bsb bsc bsl bso bsp bss bst bsu btb btc btl bto btp bts btt btu bub buc bul buo bup bus but buu c-- cbb cbc cbl cbo cbp cbs cbt cbu ccb ccc ccl cco ccp ccs cct ccu cl- clb clc cll clo clp cls clt clu co- cob coc col coo cop cos cot cou cpb cpc cpl cpo cpp cps cpt cpu csb csc csl cso csp css cst csu ctb ctc ctl cto ctp cts ctt ctu cub cuc cul cuo cup cus cut cuu l-p lbb lbc lbl lbo lbp lbs lbt lbu lcb lcc lcl lco lcp lcs lct lcu llb llc lll llo llp lls llt llu lob loc lol loo lop los lot lou lpb lpc lpl lpo lpp lps lpt lpu lsb lsc lsl lso lsp lss lst lsu ltb ltc ltl lto ltp lts ltt ltu lub luc lul luo lup lus lut luu ob- obb obc obl obo obp obs obt obu oc- ocb occ ocl oco ocp ocs oct ocu olb olc oll olo olp ols olt olu oo- oob ooc ool ooo oop oos oot op- opb opc opl opo opp ops opt os- osb osc osl oso osp oss ost osu ot- otb otc otl oto otp ots ott otu ou- ouc oul ouo oup ous out p-p pbb pbc pbl pbo pbp pbs pbt pbu pcb pcc pcl pco pcp pcs pct pcu plb plc pll plo plp pls plt plu pob poc pol poo pop pos pot pou ppb ppc ppl ppo ppp pps ppt ppu ps- psb psc psl pso psp pss pst psu pt- ptb ptc ptl pto ptp pts ptt ptu pub puc pul pup pus put puu sbb sbc sbl sbo sbp sbs sbt sbu scb scc scl sco scp scs sct scu slb slc sll slo slp sls slt slu sob soc sol soo sop sos sot sou spb spc spl spo spp sps spt spu ss- ssb ssc ssl sso ssp sss sst ssu stb stc stl sto stp sts stt stu sub suc sul suo sup sus sut suu tbb tbc tbl tbo tbp tbs tbt tbu tcb tcc tcl tco tcp tcs tct tcu tlc tll tlo tlp tls tlt tlu to- tob toc tol too top tos tot tou tpb tpc tpl tpo tpp tps tpt tpu tsb tsc tsl tso tsp tss tst tsu ttb ttc ttl tto ttp tts ttt ttu tub tuc tul tuo tup tus tut tuu ubb ubc ubl ubo ubp ubs ubt ubu ucb ucc ucl uco ucp ucs uct ucu ulb ulc ull ulo ulp uls ult ulu uob uoc uol uoo uop uos uot up- upb upc upo upp ups upt upu usb usc usl uso usp uss ust usu utb utc utl uto utp uts utt utu uuc uus uut uuu

-ous bbbb bbbs bblb bbls bcbc bcbp bcbs bccc bccl bccs bcos bcpl bcpp bcps bcsc bcsl bcss bctc bcts bcuc bcup blbt blcu blls blob bloc bloo blop blot blou blsp blss blst blts blub blup blus blut bobb bobo bobs bobu boco bocs bocu boll bolo bols bolt bolu boob booc bool boop boos boot bopp bops bosc boso boss bost bosu botb boto bots bott boul boup bous bout bpcp bpot bpsu bscp bscs bslc bsos bspp bssc bsts bsup btbp btcc btcl btcs btlp btob btps btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu bulb bull buls bult bulu buol bupc bups busc buss bust busu but- buto buts butt buus c-bo cbbc cbbs cbcc cbcl cbcp cbcs cbct cbcu cblb cblc cbol cbot cbpc cbpp cbsc cbtc cbtl cbus ccbc cccb cccc cccl cccp cccs cccu cclc ccls ccob ccoc ccpl ccpp ccps ccsl ccsp ccss ccst cctb cctc cctl cctt ccuc ccup ccus ccut clob cloo clop clos clot clou clpb clpp clsc cltb cltc clts club clut cobb cobo cobs cobu coco cocp coct cocu col- colb coll colo colp cols colt colu coob cool coop coos coot copo copp cops copt cosc cosl coso cosp coss cost cotb cotc coto cots cott cotu coub coul coup cous cout cpbc cpcs cpcu cplc cpls cpos cpps cpsc cpsl cpso cpsu cptp cpts cpus cscb cscc cscl csco cscs cslp cslu csob csos csot cspb cspc csps cspt cstc csto csts csup csus ctbs ctcp ctls ctol ctos ctot ctpo ctpp ctps ctsc ctss ctsu ctts cub- cubb cubs cucc culb culc cull culo culp culs cult cupl cupo cupp cups cusb cuso cusp cuss cust cusu cut- cutc cuto cuts cutt lbcc lbos lbsc lcbc lccc lccs lcls lcpc lcpl lcps lcsc lcsp lctl lcto lcts llbs llcc llcs lllc llll lloc lloo llps lob- lobb lobo lobs locc loco locs locu loll lolo lols loob looc lool loop loos loot lopp lops lopu losc loso losp loss lost lotl loto lots lott loul loup lous lout louu lppl lpsc lpss lptb lsbu lscb lsco lscs lspl lsso lssp lsts ltbl ltcc ltcs ltps ltsp lttc ltuc lubs lucs lull lulu lupo lupu luso luss lust luts luup obbo obls oblu obol obos obot obss obst obts obus ocbc occc occt oclc ocos ocpp oct- octo octs ocul olbo olcc ollo olos olot olpc olst oltu oolo oooo ooos oops oost ootb ootp oots oous opls opo- opos oppo opps opsu opto opts opus osbp oscc oscl osco oslo osoo osos ossb osso ossu ostc osts osul otbs otcl oto- otoo otos otpp otso otsu otto otts ottu otus oubs oucc ouls oulu oust out- outb outo outs ouu- pbcc pblu pboc pbsp pcbc pcbs pccc pccl pccs pcll pclo pcos pcpb pcpp pcps pcso pcts plcc plob ploc