b-u bbb bbc bbd bbe bbh bbn bbo bbs bbu bcb bcc bcd bce bch bcn bco bcs bcu bdb bdc bdd bde bdh bdo bds bdu be- beb bec bed bee beh ben beo bes beu bhb bhc bhd bhe bhh bho bhs bhu bnb bnc bnd bne bnn bno bns bnu bob boc bod boe boh bon boo bos bou bsb bsc bsd bse bsh bsn bso bss bsu bub buc bud bue buh bun buo bus buu c-- cbb cbc cbd cbe cbh cbn cbo cbs cbu ccb ccc ccd cce cch ccn cco ccs ccu cdb cdc cdd cde cdh cdn cdo cds cdu ce- ceb cec ced cee ceh cen ceo ces ceu ch- chb chc chd che chh chn cho chs chu cn- cnb cnc cnd cne cnh cnn cno cns cnu co- cob coc cod coe coh con coo cos cou csb csc csd cse csh csn cso css csu cub cuc cud cue cuh cun cuo cus cuu dbb dbc dbd dbe dbh dbn dbo dbs dbu dcb dcc dcd dce dcn dco dcs dcu ddb ddc ddd dde ddh ddn ddo dds ddu de- deb dec ded dee deh den deo des deu dh- dhb dhc dhd dhe dhh dho dhs dhu dnb dnc dnd dne dnh dnn dno dns dob doc dod doe doh don doo dos dou dsb dsc dsd dse dsh dsn dso dss dsu dub duc dud due duh dun duo dus ebb ebc ebd ebe ebh ebn ebo ebs ebu ec- ecb ecc ecd ece ech ecn eco ecs ecu ed- edb edc edd ede edh edn edo eds edu eeb eec eed eee een eeo ees ehb ehc ehd ehe ehh ehn eho ehs ehu en- enb enc end ene enh enn eno ens enu eo- eob eoc eod eoe eoh eon eoo eos eou es- esb esc esd ese esh esn eso ess esu eu- eub euc eud eue eun eus hbb hbc hbd hbe hbh hbn hbo hbs hbu hcb hcc hcd hce hch hcn hco hcs hdb hdc hdd hde hdh hdn hdo hds hdu he- heb hec hed hee heh hen heo hes heu hhb hhc hhd hhe hhh hhn hho hhs hhu hnb hnc hnd hne hnh hnn hno hns hnu hob hoc hod hoe hoh hon hoo hos hou hsb hsc hsd hse hsh hsn hss hsu hub huc hud hue huh hun huo hus huu nbb nbc nbd nbe nbn nbo nbs nbu ncb ncc ncd nce nch ncn nco ncs ncu ndb ndc ndd nde ndh ndn ndo nds ndu ne- neb nec ned nee neh nen neo nes neu nhb nhc nhd nhe nhh nhn nhs nhu nnb nnc nne nnh nnn nno nns nnu no- nob noc nod noe noh non noo nos nou nsb nsc nsd nse nsh nsn nso nss nsu nub nuc nud nue nuh nun nuo nus nuu ob- obb obc obd obe obh obn obo obs obu oc- ocb occ ocd och ocn oco ocs ocu odb odc odd ode odh odn odo ods odu oeb oec oed oee oeh oen oeo oes ohc ohd ohe ohh ohn oho ohs ohu on- onb onc ond one onh onn ono ons onu oo- oob ooc ood ooh oon ooo oos os- osb osc osd ose osh osn oso oss osu ou- ouc oud oue ouh oun ouo ous sbb sbc sbd sbe sbh sbn sbo sbs sbu scb scc scd sce sch scn sco scs scu sdb sdc sdd sde sdh sdn sdo sds sdu se- seb sec sed see seh sen seo ses seu sh- shb shc shd she shh shn sho shs shu snb snc snd sne snn sno sns snu sob soc sod soe soh son soo sos sou ss- ssb ssc ssd sse ssh ssn sso sss ssu sub suc sud sue suh sun suo sus suu ubb ubc ube ubh ubn ubo ubs ubu ucb ucc ucd uce uch ucn uco ucs ucu udb udc udd ude udn udo uds udu ueb uec ued uee ueh uen ues uhb uhc uhd uhe uhh uho uhs uhu un- unb unc und une unh unn uno uns unu uob uoc uod uoe uon uoo uos usb usc usd use ush usn uso uss usu uuc uue uun uus uuu