-er -ey -ic b-p bbb bbc bbe bbg bbi bbn bbp bbr bbs bby bcb bcc bce bcg bci bcn bcp bcr bcs bcy be- beb bec bee beg bei ben bep ber bes bey bgb bgc bge bgg bgi bgn bgp bgr bgs bi- bib bic bie big bii bin bip bir bis biy bnb bnc bne bng bni bnn bnp bnr bns bpb bpc bpe bpg bpi bpn bpp bpr bps bpy brb bre brg bri brn brp brr brs bry bsb bsc bse bsg bsi bsn bsp bsr bss bsy by- byc bye byg byi byn byp byr bys c-- cbb cbc cbe cbg cbi cbn cbp cbr cbs cby ccb ccc cce ccg cci ccn ccp ccr ccs ce- ceb cec cee ceg cei cen cep cer ces cey cgb cgc cge cgg cgi cgn cgp cgr cgs cgy ci- cib cic cie cig cii cin cip cir cis cn- cnb cnc cne cng cni cnn cnp cnr cns cny cpb cpc cpe cpg cpi cpn cpp cpr cps crb crc cre crg cri crn crp crr crs cry csb csc cse csg csi csn csp csr css csy cyb cyc cye cyg cyn cyp cyr cys ebb ebc ebe ebg ebi ebn ebp ebr ebs eby ec- ecb ecc ece ecg eci ecn ecr ecs eeb eec eee eeg een eep eer ees eey egb egc ege egg egi egn egp egr egs egy eib eic eie eig eii ein eip eir eis en- enb enc ene eng eni enn enp enr ens eny ep- epb epc epe epg epi epn epp epr eps erb erc ere erg eri ern erp err ers ery es- esb esc ese esg esi esn esp esr ess esy eyc eye eyn eyp eyr eys g-p gbc gbe gbg gbi gbn gbp gbr gbs gby gcb gcc gce gcg gci gcn gcp gcr gcs ge- geb gec gee geg gei gen gep ger ges gey ggb ggc ggg ggi ggn ggp ggr ggs gib gic gie gig gii gin gip gir gis giy gnb gnc gne gni gnn gnp gnr gns gpb gpc gpe gpg gpi gpn gpp gpr gps grb grc gre grg gri grn grp grr grs gry gsb gsc gse gsg gsi gsn gsp gsr gss gy- gyb gye gyn gyp gyr gys ibb ibc ibe ibg ibi ibn ibp ibr ibs iby icb icc ice icg ici icn icp icr ics icy ie- iec iee ieg iei ien iep ier ies iey igb igc ige igg igi ign igp igr igs igy iib iic iie iii iin iip iir iis in- inb inc ine ing ini inn inp inr ins iny ipb ipc ipe ipg ipi ipn ipp ipr ips ipy ir- irb irc ire irg iri irn irp irr irs iry is- isb isc ise isg isi isn isp isr iss isy iyc iye iyr iys iyy n-i nbb nbc nbe nbg nbi nbn nbp nbr nbs ncb ncc nce ncg nci ncn ncp ncr ncs ne- neb nec nee neg nei nen nep ner nes ney ngb ngc nge ngg ngi ngn ngp ngs nib nic nie nig nii nin nip nir nis nnb nnc nne nng nni nnn nnp nns npb npc npe npg npi npn npp npr nps nrb nrc nre nrg nri nrn nrp nrr nrs nry nsb nsc nse nsg nsi nsn nsp nsr nss nsy nyc nye nyg nyn nyp nys nyy p-p pbb pbc pbe pbg pbi pbn pbp pbr pbs pby pcb pcc pce pcg pci pcn pcp pcr pcs peb pec pee peg pei pen pep per pes pey pgb pgc pge pgg pgi pgn pgp pgr pgs pgy pib pic pie pig pii pin pip pir pis pn- pnb pnc pne png pni pnn pnp pnr pns pny ppb ppc ppe ppg ppi ppn ppp ppr pps prb prc pre prg pri prn prp prr prs pry ps- psb psc pse psg psi psn psp psr pss psy py- pyb pyc pye pyg pyn pyr pys rbb rbc rbe rbg rbi rbn rbp rbr rbs rcb rcc rce rcg rci rcn rcp rcr rcs re- reb rec ree reg rei ren rep rer res rey rgb rgc rge rgg rgi rgn rgp rgr rgs rib ric rie rig rii rin rip rir ris riy rnb rnc rng rni rnn rnp rnr rns rny rpb rpc rpe rpg rpi rpn rpp rpr rps rrb rrc rrg rri rrn rrp rrr rrs rsb rsc rse rsg rsi rsn rsp rsr rss ry- ryc rye ryg ryn ryr rys ryy sbb sbc sbe sbg sbi sbn sbp sbr sbs sby scb scc sce scg sci scn scp scr scs se- seb sec see seg sei sen sep ser ses sey sgb sgc sge sgg sgi sgn sgp sgr sgs sib sic sie sig sii sin sip sir sis snb snc sne sng sni snn snp snr sns sny spb spc spe spg spi spn spp spr sps spy sr- srb src sre srg sri srn srp srr srs sry ss- ssb ssc sse ssg ssi ssn ssp ssr sss sy- syb syc sye syg syi syn syp syr sys ybc ybe ybg ybi ybp ybr ybs yby ycc yce yci ycp ycs ycy yeb yec yee yeg yei yen yep yer yes yey ygc yie yig yii yin yip yir yis yne yng ynn ynp yns yny ypg yps yrc yre yrg yrn yrp yrs ysb ysc yse ysg ysi ysp ysr yss ysy yyb yyc yye yyg yys yyy