-er -ey -ic b-p bbb bbc bbe bbi bbp bbr bbs bby bcb bcc bce bci bcp bcr bcs bcy be- beb bec bee bei bep ber bes bey bi- bib bic bie bii bip bir bis biy bpb bpc bpe bpi bpp bpr bps bpy brb bre bri brp brr brs bry bsb bsc bse bsi bsp bsr bss bsy by- byc bye byi byp byr bys c-- cbb cbc cbe cbi cbp cbr cbs cby ccb ccc cce cci ccp ccr ccs ce- ceb cec cee cei cep cer ces cey ci- cib cic cie cii cip cir cis cpb cpc cpe cpi cpp cpr cps crb crc cre cri crp crr crs cry csb csc cse csi csp csr css csy cyb cyc cye cyp cyr cys ebb ebc ebe ebi ebp ebr ebs eby ec- ecb ecc ece eci ecr ecs eeb eec eee eep eer ees eey eib eic eie eii eip eir eis ep- epb epc epe epi epp epr eps erb erc ere eri erp err ers ery es- esb esc ese esi esp esr ess esy eyc eye eyp eyr eys ibb ibc ibe ibi ibp ibr ibs iby icb icc ice ici icp icr ics icy ie- iec iee iei iep ier ies iey iib iic iie iii iip iir iis ipb ipc ipe ipi ipp ipr ips ipy ir- irb irc ire iri irp irr irs iry is- isb isc ise isi isp isr iss isy iyc iye iyr iys iyy p-p pbb pbc pbe pbi pbp pbr pbs pby pcb pcc pce pci pcp pcr pcs peb pec pee pei pep per pes pey pib pic pie pii pip pir pis ppb ppc ppe ppi ppp ppr pps prb prc pre pri prp prr prs pry ps- psb psc pse psi psp psr pss psy py- pyb pyc pye pyr pys rbb rbc rbe rbi rbp rbr rbs rcb rcc rce rci rcp rcr rcs re- reb rec ree rei rep rer res rey rib ric rie rii rip rir ris riy rpb rpc rpe rpi rpp rpr rps rrb rrc rri rrp rrr rrs rsb rsc rse rsi rsp rsr rss ry- ryc rye ryr rys ryy sbb sbc sbe sbi sbp sbr sbs sby scb scc sce sci scp scr scs se- seb sec see sei sep ser ses sey sib sic sie sii sip sir sis spb spc spe spi spp spr sps spy sr- srb src sre sri srp srr srs sry ss- ssb ssc sse ssi ssp ssr sss sy- syb syc sye syi syp syr sys ybc ybe ybi ybp ybr ybs yby ycc yce yci ycp ycs ycy yeb yec yee yei yep yer yes yey yie yii yip yir yis yps yrc yre yrp yrs ysb ysc yse ysi ysp ysr yss ysy yyb yyc yye yys yyy