-ey b-p bbb bbc bbe bbh bbp bbs bby bcb bcc bce bch bcp bcs bcy be- beb bec bee beh bep bes bey bhb bhc bhe bhh bhp bhs bpb bpc bpe bph bpp bps bpy bsb bsc bse bsh bsp bss bsy by- byc bye byh byp bys c-- cbb cbc cbe cbh cbp cbs cby ccb ccc cce cch ccp ccs ce- ceb cec cee ceh cep ces cey ch- chb chc che chh chp chs chy cpb cpc cpe cph cpp cps csb csc cse csh csp css csy cyb cyc cye cyp cys ebb ebc ebe ebh ebp ebs eby ec- ecb ecc ece ech ecs eeb eec eee eep ees eey ehb ehc ehe ehh ehp ehs ep- epb epc epe eph epp eps es- esb esc ese esh esp ess esy eyc eye eyp eys hbb hbc hbe hbh hbp hbs hby hcb hcc hce hch hcp hcs hcy he- heb hec hee heh hep hes hey hhb hhc hhe hhh hhp hhs hhy hpb hpc hpe hph hpp hps hpy hsb hsc hse hsh hsp hss hsy hy- hyb hyc hye hyh hyp hys hyy p-p pbb pbc pbe pbp pbs pby pcb pcc pce pch pcp pcs peb pec pee peh pep pes pey phb phc phe php phs phy ppb ppc ppe pph ppp pps ps- psb psc pse psh psp pss psy py- pyb pyc pye pys sbb sbc sbe sbh sbp sbs sby scb scc sce sch scp scs se- seb sec see seh sep ses sey sh- shb shc she shh shp shs shy spb spc spe sph spp sps spy ss- ssb ssc sse ssh ssp sss sy- syb syc sye syh syp sys ybc ybe ybp ybs yby ycc yce ych ycp ycs ycy yeb yec yee yeh yep yes yey yhc yhe yhs yps ysb ysc yse ysp yss ysy yyb yyc yye yys yyy