-er b-u bbb bbc bbe bbg bbh bbn bbo bbr bbs bbu bcb bcc bce bcg bch bcn bco bcr bcs bcu bcz be- beb bec bee beg beh ben beo ber bes beu bez bgb bgc bge bgg bgh bgn bgo bgr bgs bgu bgz bhb bhc bhe bhg bhh bho bhr bhs bhu bnb bnc bne bng bnn bno bnr bns bnu bnz bob boc boe bog boh bon boo bor bos bou boz brb bre brg brh brn bro brr brs bru brz bsb bsc bse bsg bsh bsn bso bsr bss bsu bub buc bue bug buh bun buo bur bus buu buz bze bzh bzn bzo bzr bzs bzu bzz c-- cbb cbc cbe cbg cbh cbn cbo cbr cbs cbu cbz ccb ccc cce ccg cch ccn cco ccr ccs ccu ccz ce- ceb cec cee ceg ceh cen ceo cer ces ceu cez cgb cgc cge cgg cgh cgn cgo cgr cgs cgu ch- chb chc che chg chh chn cho chr chs chu chz cn- cnb cnc cne cng cnh cnn cno cnr cns cnu co- cob coc coe cog coh con coo cor cos cou coz crb crc cre crg crh crn cro crr crs cru crz csb csc cse csg csh csn cso csr css csu csz cub cuc cue cug cuh cun cuo cur cus cuu cuz cz- czc cze czo ebb ebc ebe ebg ebh ebn ebo ebr ebs ebu ec- ecb ecc ece ecg ech ecn eco ecr ecs ecu eeb eec eee eeg een eeo eer ees egb egc ege egg egh egn ego egr egs egu ehb ehc ehe ehg ehh ehn eho ehr ehs ehu en- enb enc ene eng enh enn eno enr ens enu enz eo- eob eoc eoe eog eoh eon eoo eor eos eou erb erc ere erg erh ern ero err ers eru erz es- esb esc ese esg esh esn eso esr ess esu eu- eub euc eue eug eun eur eus eze ezh ezo ezr ezs ezz gbc gbe gbg gbh gbn gbo gbr gbs gbu gbz gcb gcc gce gcg gch gcn gco gcr gcs gcu ge- geb gec gee geg geh gen geo ger ges geu gez ggb ggc ggg ggh ggn ggo ggr ggs ggu ggz ghb ghc ghe ghg ghh ghn gho ghr ghs ghz gnb gnc gne gnn gno gnr gns gnu gob goc goe gog goh gon goo gor gos gou goz grb grc gre grg grh grn gro grr grs gru gsb gsc gse gsg gsn gso gsr gss gsu gu- gub guc gue gug gun guo gur gus guu guz gzo gzr gzu hbb hbc hbe hbg hbh hbn hbo hbr hbs hbu hbz hcb hcc hce hcg hch hcn hco hcr hcs he- heb hec hee heg heh hen heo her hes heu hez hgb hgc hge hgg hgh hgn hgo hgr hgs hgu hhb hhc hhe hhg hhh hhn hho hhr hhs hhu hhz hnb hnc hne hng hnh hnn hno hns hnu hnz hob hoc hoe hog hoh hon hoo hor hos hou hr- hrb hrc hre hrg hrh hrn hro hrr hrs hru hrz hsb hsc hse hsg hsh hsn hsr hss hsu hsz hub huc hue hug huh hun huo hur hus huu huz hze hzo hzs nbb nbc nbe nbg nbn nbo nbr nbs nbu ncb ncc nce ncg nch ncn nco ncr ncs ncu ne- neb nec nee neg neh nen neo ner nes neu nez ngb ngc nge ngg ngh ngn ngo ngs ngu nhb nhc nhe nhg nhh nhn nhr nhs nhu nhz nnb nnc nne nng nnh nnn nno nns nnu nnz no- nob noc noe nog noh non noo nor nos nou noz nrb nrc nre nrg nrn nro nrr nrs nru nrz nsb nsc nse nsg nsh nsn nso nsr nss nsu nsz nub nuc nue nug nuh nun nuo nur nus nuu nzb nze nzg nzo nzs nzz ob- obb obc obe obg obh obn obo obr obs obu oc- ocb occ ocg och ocn oco ocr ocs ocu ocz oeb oec oee oeg oeh oen oeo oer oes ogc oge ogg ogh ogn ogo ogs ohc ohe ohg ohh ohn oho ohr ohs ohu on- onb onc one ong onh onn ono onr ons onu oo- oob ooc oog ooh oon ooo oor oos or- orb orc ore org orh orn oro orr ors oru orz os- osb osc ose osg osh osn oso osr oss osu ou- ouc oue ouh oun ouo our ous oze ozo ozs ozu ozz rbb rbc rbe rbg rbh rbn rbo rbr rbs rbu rcb rcc rce rcg rch rcn rco rcr rcs rcu re- reb rec ree reg reh ren reo rer res reu rez rgb rgc rge rgg rgh rgn rgo rgr rgs rh- rhb rhc rhe rhg rhh rhn rho rhr rhs rhu rnb rnc rng rnh rnn rno rnr rns rnu rnz rob roc roe rog roh ron roo ror ros rou roz rrb rrc rrg rrh rrn rrr rrs rru rsb rsc rse rsg rsh rsn rso rsr rss rsu rub ruc rue rug ruh run ruo rur rus ruu ruz rzb rze rzo sbb sbc sbe sbg sbh sbn sbo sbr sbs sbu scb scc sce scg sch scn sco scr scs scu se- seb sec see seg seh sen seo ser ses seu sez sgb sgc sge sgg sgh sgn sgo sgr sgs sgu sh- shb shc she shg shh shn sho shr shs shu snb snc sne sng snn sno snr sns snu sob soc soe sog soh son soo sor sos sou soz sr- srb src sre srg srh srn sro srr srs ss- ssb ssc sse ssg ssh ssn sso ssr sss ssu ssz sub suc sue sug suh sun suo sur sus suu suz sze szr szu ubb ubc ube ubg ubh ubn ubo ubr ubs ubu ucb ucc uce ucg uch ucn uco ucr ucs ucu ueb