b-u bbb bbc bbd bbe bbg bbo bbs bbt bbu bcb bcc bcd bce bcg bco bcs bct bcu bdb bdc bdd bde bdg bdo bds bdt bdu be- beb bec bed bee beg beo bes bet beu bgb bgc bgd bge bgg bgo bgs bgt bgu bob boc bod boe bog boo bos bot bou bsb bsc bsd bse bsg bso bss bst bsu btb btc btd bte btg bto bts btt btu bub buc bud bue bug buo bus but buu c-- cbb cbc cbd cbe cbg cbo cbs cbt cbu ccb ccc ccd cce ccg cco ccs cct ccu cdb cdc cdd cde cdg cdo cds cdt cdu ce- ceb cec ced cee ceg ceo ces cet ceu cgb cgc cgd cge cgg cgo cgs cgt cgu co- cob coc cod coe cog coo cos cot cou csb csc csd cse csg cso css cst csu ctb ctc ctd cte ctg cto cts ctt ctu cub cuc cud cue cug cuo cus cut cuu dbb dbc dbd dbe dbg dbo dbs dbt dbu dcb dcc dcd dce dcg dco dcs dct dcu ddb ddc ddd dde ddg ddo dds ddt ddu de- deb dec ded dee deg deo des det deu dgc dgd dge dgg dgs dgt dgu dob doc dod doe dog doo dos dot dou dsb dsc dsd dse dsg dso dss dst dsu dtb dtc dtd dte dtg dto dts dtt dtu dub duc dud due dug duo dus dut ebb ebc ebd ebe ebg ebo ebs ebt ebu ec- ecb ecc ecd ece ecg eco ecs ect ecu ed- edb edc edd ede edg edo eds edt edu eeb eec eed eee eeg eeo ees eet egb egc egd ege egg ego egs egt egu eo- eob eoc eod eoe eog eoo eos eot eou es- esb esc esd ese esg eso ess est esu etb etc etd ete etg eto ets ett etu eu- eub euc eud eue eug eus eut g-d gbc gbd gbe gbg gbo gbs gbt gbu gcb gcc gcd gce gcg gco gcs gct gcu gdb gdc gdd gde gdo gds gdt gdu ge- geb gec ged gee geg geo ges get geu ggb ggc ggd ggg ggo ggs ggt ggu gob goc god goe gog goo gos got gou gsb gsc gsd gse gsg gso gss gst gsu gtb gtc gtd gte gtg gto gts gtt gtu gu- gub guc gud gue gug guo gus gut guu ob- obb obc obd obe obg obo obs obt obu oc- ocb occ ocd ocg oco ocs oct ocu odb odc odd ode odg odo ods odt odu oeb oec oed oee oeg oeo oes oet ogc ogd oge ogg ogo ogs ogt oo- oob ooc ood oog ooo oos oot os- osb osc osd ose osg oso oss ost osu ot- otb otc otd ote otg oto ots ott otu ou- ouc oud oue ouo ous out sbb sbc sbd sbe sbg sbo sbs sbt sbu scb scc scd sce scg sco scs sct scu sdb sdc sdd sde sdg sdo sds sdt sdu se- seb sec sed see seg seo ses set seu sgb sgc sgd sge sgg sgo sgs sgt sgu sob soc sod soe sog soo sos sot sou ss- ssb ssc ssd sse ssg sso sss sst ssu stb stc std ste stg sto sts stt stu sub suc sud sue sug suo sus sut suu tbb tbc tbd tbe tbg tbo tbs tbt tbu tcb tcc tcd tce tcg tco tcs tct tcu tdb tdc tdd tde tdg tdo tds tdt tdu te- teb tec ted tee teg teo tes tet teu tgb tgc tge tgg tgo tgs tgt tgu to- tob toc tod toe tog too tos tot tou tsb tsc tsd tse tsg tso tss tst tsu ttb ttc ttd tte ttg tto tts ttt ttu tub tuc tud tue tug tuo tus tut tuu ubb ubc ube ubg ubo ubs ubt ubu ucb ucc ucd uce ucg uco ucs uct ucu udb udc udd ude udg udo uds udt udu ueb uec ued uee ueg ues uet ugb ugc uge ugg ugo ugs ugt ugu uob uoc uod uoe uog uoo uos uot usb usc usd use usg uso uss ust usu utb utc utd ute uto uts utt utu uuc uue uug uus uut uuu