-up b-p b-u bbb bbc bbd bbo bbp bbr bbs bbt bbu bcb bcc bcd bco bcp bcr bcs bct bcu bdb bdc bdd bdo bdp bdr bds bdt bdu bob boc bod boo bop bor bos bot bou bpb bpc bpd bpo bpp bpr bps bpt bpu brb brd bro brp brr brs brt bru bsb bsc bsd bso bsp bsr bss bst bsu btb btc btd bto btp btr bts btt btu bub buc bud buo bup bur bus but buu c-- cbb cbc cbd cbo cbp cbr cbs cbt cbu ccb ccc ccd cco ccp ccr ccs cct ccu cdb cdc cdd cdo cdp cdr cds cdt cdu co- cob coc cod coo cop cor cos cot cou cpb cpc cpd cpo cpp cpr cps cpt cpu crb crc crd cro crp crr crs crt cru csb csc csd cso csp csr css cst csu ctb ctc ctd cto ctp ctr cts ctt ctu cub cuc cud cuo cup cur cus cut cuu dbb dbc dbd dbo dbp dbr dbs dbt dbu dcb dcc dcd dco dcp dcr dcs dct dcu ddb ddc ddd ddo ddp ddr dds ddt ddu dob doc dod doo dop dor dos dot dou dpb dpc dpd dpo dpp dpr dps dpt dpu drb drc drd dro drp drr drs drt dru dsb dsc dsd dso dsp dsr dss dst dsu dtb dtc dtd dto dtp dtr dts dtt dtu dub duc dud duo dup dur dus dut ob- obb obc obd obo obp obr obs obt obu oc- ocb occ ocd oco ocp ocr ocs oct ocu odb odc odd odo odp odr ods odt odu oo- oob ooc ood ooo oop oor oos oot op- opb opc opd opo opp opr ops opt or- orb orc ord oro orp orr ors ort oru os- osb osc osd oso osp osr oss ost osu ot- otb otc otd oto otp otr ots ott otu ou- ouc oud ouo oup our ous out p-p pbb pbc pbd pbo pbp pbr pbs pbt pbu pcb pcc pcd pco pcp pcr pcs pct pcu pdb pdc pdd pdo pdp pdr pds pdt pdu pob poc pod poo pop por pos pot pou ppb ppc ppd ppo ppp ppr pps ppt ppu prb prc prd pro prp prr prs prt pru ps- psb psc psd pso psp psr pss pst psu pt- ptb ptc ptd pto ptp ptr pts ptt ptu pub puc pud pup pur pus put puu rbb rbc rbd rbo rbp rbr rbs rbt rbu rcb rcc rcd rco rcp rcr rcs rct rcu rdb rdc rdd rdo rdp rdr rds rdt rdu rob roc rod roo rop ror ros rot rou rpb rpc rpd rpo rpp rpr rps rpt rpu rrb rrc rrd rrp rrr rrs rrt rru rsb rsc rsd rso rsp rsr rss rst rsu rtb rtc rtd rto rtp rtr rts rtt rtu rub ruc rud ruo rup rur rus rut ruu sbb sbc sbd sbo sbp sbr sbs sbt sbu scb scc scd sco scp scr scs sct scu sdb sdc sdd sdo sdp sdr sds sdt sdu sob soc sod soo sop sor sos sot sou spb spc spd spo spp spr sps spt spu sr- srb src srd sro srp srr srs srt ss- ssb ssc ssd sso ssp ssr sss sst ssu stb stc std sto stp str sts stt stu sub suc sud suo sup sur sus sut suu tbb tbc tbd tbo tbp tbr tbs tbt tbu tcb tcc tcd tco tcp tcr tcs tct tcu tdb tdc tdd tdo tdp tdr tds tdt tdu to- tob toc tod too top tor tos tot tou tpb tpc tpd tpo tpp tpr tps tpt tpu trb trc trd tro trp trr trs trt tru tsb tsc tsd tso tsp tsr tss tst tsu ttb ttc ttd tto ttp ttr tts ttt ttu tub tuc tud tuo tup tur tus tut tuu ubb ubc ubo ubp ubr ubs ubt ubu ucb ucc ucd uco ucp ucr ucs uct ucu udb udc udd udo udp udr uds udt udu uob uoc uod uoo uop uor uos uot up- upb upc upd upo upp upr ups upt upu ur- urb urc urd uro urp urr urs urt uru usb usc usd uso usp usr uss ust usu utb utc utd uto utp utr uts utt utu uuc uur uus uut uuu

-ous bbbb bbbs bbdd bbdo bbpr bbrc bcbc bcbp bcbs bccc bccs bcds bcor bcos bcpp bcps bcrs bcru bcsc bcss bctc bcts bcuc bcup bd-r bdbc bddc bdos bdpc bdsd bobb bobo bobs bobu boco bocs bocu bodb bodo bods bodu boob booc bood boop boor boos boot bopp bops bor- bord boro borr bors bort boru bosc boso boss bost bosu botb botd boto bots bott boud boup bour bous bout bpcp bpot bprc bprd bpsu brcb brdo brds brdt brob broc brod broo bror bros brot brou brrr brrs brsb brsr brst brtc bruc brud brup brus brut bsbd bscp bscs bsod bsos bspp bspr bsrd bssc bssd bsts bsup btbp btcc btcs btdt btob btor btps btrc btrt btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu budb budd budo buds budu bupc bups bur- burb burd buro burp burr burs burt buru busc buss bust busu but- buto buts butt buus c-bo c-cd cbbc cbbs cbcc cbcp cbcr cbcs cbct cbcu cbdb cbdc cbdo cbds cbot cbpc cbpp cbrd cbrt cbsc cbtc cbus ccbc cccb cccc cccp cccs cccu ccdc ccdp ccdr ccds ccob ccoc ccod ccpp ccpr ccps ccrc ccrp ccrs ccrt ccsd ccsp ccss ccst cctb cctc cctt ccuc ccup ccus ccut cd-r cdcs cddb cddr cdos cdot cdps cdrs cdss cobb cobo cobs cobu coco cocp coct cocu codd cods coob cood coop coos coot copd copo copp copr cops copt cor- corb corc cord coro corp corr cors cort cosc coso cosp coss cost cotb cotc coto cots cott cotu coub coud coup cour