b-p bbb bbc bbe bbh bbn bbo bbp bbs bcb bcc bce bch bcn bco bcp bcs be- beb bec bee beh ben beo bep bes bhb bhc bhe bhh bho bhp bhs bnb bnc bne bnn bno bnp bns bob boc boe boh bon boo bop bos bpb bpc bpe bph bpn bpo bpp bps bsb bsc bse bsh bsn bso bsp bss c-- cbb cbc cbe cbh cbn cbo cbp cbs ccb ccc cce cch ccn cco ccp ccs ce- ceb cec cee ceh cen ceo cep ces ch- chb chc che chh chn cho chp chs cn- cnb cnc cne cnh cnn cno cnp cns co- cob coc coe coh con coo cop cos cpb cpc cpe cph cpn cpo cpp cps csb csc cse csh csn cso csp css ebb ebc ebe ebh ebn ebo ebp ebs ec- ecb ecc ece ech ecn eco ecs eeb eec eee een eeo eep ees ehb ehc ehe ehh ehn eho ehp ehs en- enb enc ene enh enn eno enp ens eo- eob eoc eoe eoh eon eoo eop eos ep- epb epc epe eph epn epo epp eps es- esb esc ese esh esn eso esp ess hbb hbc hbe hbh hbn hbo hbp hbs hcb hcc hce hch hcn hco hcp hcs he- heb hec hee heh hen heo hep hes hhb hhc hhe hhh hhn hho hhp hhs hnb hnc hne hnh hnn hno hns hob hoc hoe hoh hon hoo hop hos hpb hpc hpe hph hpn hpo hpp hps hsb hsc hse hsh hsn hsp hss nbb nbc nbe nbn nbo nbp nbs ncb ncc nce nch ncn nco ncp ncs ne- neb nec nee neh nen neo nep nes nhb nhc nhe nhh nhn nhp nhs nnb nnc nne nnh nnn nno nnp nns no- nob noc noe noh non noo nop nos npb npc npe nph npn npo npp nps nsb nsc nse nsh nsn nso nsp nss ob- obb obc obe obh obn obo obp obs oc- ocb occ och ocn oco ocp ocs oeb oec oee oeh oen oeo oep oes ohc ohe ohh ohn oho ohp ohs on- onb onc one onh onn ono onp ons oo- oob ooc ooh oon ooo oop oos op- opb opc ope oph opn opo opp ops os- osb osc ose osh osn oso osp oss p-p pbb pbc pbe pbn pbo pbp pbs pcb pcc pce pch pcn pco pcp pcs peb pec pee peh pen peo pep pes phb phc phe phn pho php phs pn- pnb pnc pne pnh pnn pno pnp pns pob poc poe poh pon poo pop pos ppb ppc ppe pph ppn ppo ppp pps ps- psb psc pse psh psn pso psp pss sbb sbc sbe sbh sbn sbo sbp sbs scb scc sce sch scn sco scp scs se- seb sec see seh sen seo sep ses sh- shb shc she shh shn sho shp shs snb snc sne snn sno snp sns sob soc soe soh son soo sop sos spb spc spe sph spn spo spp sps ss- ssb ssc sse ssh ssn sso ssp sss