-ol b-u bbb bbc bbl bbn bbo bbr bbs bbt bbu bcb bcc bcl bcn bco bcr bcs bct bcu blb blc bll bln blo blr bls blt blu bnb bnc bnl bnn bno bnr bns bnt bnu bob boc bol bon boo bor bos bot bou brb brl brn bro brr brs brt bru bsb bsc bsl bsn bso bsr bss bst bsu btb btc btl btn bto btr bts btt btu bub buc bul bun buo bur bus but buu c-- cbb cbc cbl cbn cbo cbr cbs cbt cbu ccb ccc ccl ccn cco ccr ccs cct ccu cl- clb clc cll cln clo clr cls clt clu cn- cnb cnc cnl cnn cno cnr cns cnt cnu co- cob coc col con coo cor cos cot cou crb crc crl crn cro crr crs crt cru csb csc csl csn cso csr css cst csu ctb ctc ctl ctn cto ctr cts ctt ctu cub cuc cul cun cuo cur cus cut cuu lbb lbc lbl lbo lbr lbs lbt lbu lcb lcc lcl lcn lco lcr lcs lct lcu llb llc lll lln llo llr lls llt llu lnb lnc lnl lnn lno lnr lns lnt lnu lob loc lol lon loo lor los lot lou lrb lrc lrn lro lrr lrs lrt lru lsb lsc lsl lsn lso lsr lss lst lsu ltb ltc ltl lto ltr lts ltt ltu lub luc lul lun luo lur lus lut luu nbb nbc nbl nbn nbo nbr nbs nbt nbu ncb ncc ncl ncn nco ncr ncs nct ncu nlb nlc nll nln nlo nlr nls nlt nlu nnb nnc nnl nnn nno nns nnt nnu no- nob noc nol non noo nor nos not nou nrb nrc nrl nrn nro nrr nrs nrt nru nsb nsc nsl nsn nso nsr nss nst nsu ntb ntc ntn nto ntr nts ntt ntu nub nuc nul nun nuo nur nus nut nuu ob- obb obc obl obn obo obr obs obt obu oc- ocb occ ocl ocn oco ocr ocs oct ocu olb olc oll oln olo ols olt olu on- onb onc onl onn ono onr ons ont onu oo- oob ooc ool oon ooo oor oos oot or- orb orc orl orn oro orr ors ort oru os- osb osc osl osn oso osr oss ost osu ot- otb otc otl otn oto otr ots ott otu ou- ouc oul oun ouo our ous out rbb rbc rbl rbn rbo rbr rbs rbt rbu rcb rcc rcl rcn rco rcr rcs rct rcu rlc rll rln rlo rlr rls rlt rlu rnb rnc rnn rno rnr rns rnt rnu rob roc rol ron roo ror ros rot rou rrb rrc rrl rrn rrr rrs rrt rru rsb rsc rsl rsn rso rsr rss rst rsu rtb rtc rtl rtn rto rtr rts rtt rtu rub ruc run ruo rur rus rut ruu sbb sbc sbl sbn sbo sbr sbs sbt sbu scb scc scl scn sco scr scs sct scu slb slc sll sln slo slr sls slt slu snb snc snl snn sno snr sns snt snu sob soc sol son soo sor sos sot sou sr- srb src srl srn sro srr srs srt ss- ssb ssc ssl ssn sso ssr sss sst ssu stb stc stl stn sto str sts stt stu sub suc sul sun suo sur sus sut suu tbb tbc tbl tbn tbo tbr tbs tbt tbu tcb tcc tcl tcn tco tcr tcs tct tcu tlc tll tln tlo tlr tls tlt tlu tnb tnc tnl tnn tno tnr tns tnt to- tob toc tol ton too tor tos tot tou trb trc trl trn tro trr trs trt tru tsb tsc tsl tsn tso tsr tss tst tsu ttb ttc ttl ttn tto ttr tts ttt ttu tub tuc tul tun tuo tur tus tut tuu ubb ubc ubl ubn ubo ubr ubs ubt ubu ucb ucc ucl ucn uco ucr ucs uct ucu ulb ulc ull uln ulo ulr uls ult ulu un- unb unc unl unn uno unr uns unt unu uob uoc uol uon uoo uor uos uot ur- urb urc url urn uro urr urs urt uru usb usc usl usn uso usr uss ust usu utb utc utl utn uto utr uts utt utu uuc uun uur uus uut uuu

-ous bbbb bbbs bblb bbls bbrc bcbc bcbs bccc bccl bccs bcnu bcor bcos bcrs bcru bcsc bcsl bcsn bcss bctc bcts bcuc blbt blcu blls blno blob bloc blon bloo blot blou blrc blss blst blts blub blur blus blut bnoc bnor bnrr bnss bobb bobo bobs bobu boco bocs bocu boll boln bolo bols bolt bolu bonc bonn bono bons bont bonu boob booc bool boon boor boos boot bor- born boro borr bors bort boru bosc bosn boso boss bost bosu botb botn boto bots bott boul boun bour bous bout brcb brls brno brns brob broc brol bron broo bror bros brot brou brrr brrs brsb brsr brst brtc bruc brun brus brut bscs bslc bsns bson bsos bssc bsts btcc btcl btcs btob btor btrc btrt btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu bulb bull buls bult bulu bunb bunn buno buns bunt bunu buol buon bur- burb burl burn buro burr burs burt buru busc buss bust busu but- buto buts butt buus c-bo cbbc cbbs cbcc cbcl cbcn cbcr cbcs cbct cbcu cblb cblc cbln cbol cbot cbrl cbrn cbrt cbsc cbsn cbtc cbtl cbus ccbc ccbn cccb cccc cccl cccs cccu cclc ccls ccnb ccnc ccnr ccns ccnu ccob ccoc ccrc ccrl ccrs ccrt ccsl ccsn ccss ccst cctb cctc cctl cctt ccuc ccus ccut clob clon cloo clor clos clot clou clro clrs clsc cltb cltc clts club clun clut cnbc cnbl cnco cnrc cnrr cnrt cnsl cnss cntc cntr cnut cobb cobo cobs cobu coco coct cocu col- colb coll coln colo cols colt colu con- conc conn