-er -ic bbb bbc bbe bbg bbh bbi bbn bbr bbs bcb bcc bce bcg bch bci bcn bcr bcs be- beb bec bee beg beh bei ben ber bes bgb bgc bge bgg bgh bgi bgn bgr bgs bhb bhc bhe bhg bhh bhi bhr bhs bi- bib bic bie big bih bii bin bir bis bnb bnc bne bng bni bnn bnr bns brb bre brg brh bri brn brr brs bsb bsc bse bsg bsh bsi bsn bsr bss c-- cbb cbc cbe cbg cbh cbi cbn cbr cbs ccb ccc cce ccg cch cci ccn ccr ccs ce- ceb cec cee ceg ceh cei cen cer ces cgb cgc cge cgg cgh cgi cgn cgr cgs ch- chb chc che chg chh chi chn chr chs ci- cib cic cie cig cih cii cin cir cis cn- cnb cnc cne cng cnh cni cnn cnr cns crb crc cre crg crh cri crn crr crs csb csc cse csg csh csi csn csr css ebb ebc ebe ebg ebh ebi ebn ebr ebs ec- ecb ecc ece ecg ech eci ecn ecr ecs eeb eec eee eeg een eer ees egb egc ege egg egh egi egn egr egs ehb ehc ehe ehg ehh ehi ehn ehr ehs eib eic eie eig eii ein eir eis en- enb enc ene eng enh eni enn enr ens erb erc ere erg erh eri ern err ers es- esb esc ese esg esh esi esn esr ess gbc gbe gbg gbh gbi gbn gbr gbs gcb gcc gce gcg gch gci gcn gcr gcs ge- geb gec gee geg geh gei gen ger ges ggb ggc ggg ggh ggi ggn ggr ggs ghb ghc ghe ghg ghh ghi ghn ghr ghs gib gic gie gig gih gii gin gir gis gnb gnc gne gni gnn gnr gns grb grc gre grg grh gri grn grr grs gsb gsc gse gsg gsi gsn gsr gss h-i hbb hbc hbe hbg hbh hbi hbn hbr hbs hcb hcc hce hcg hch hci hcn hcr hcs he- heb hec hee heg heh hei hen her hes hgb hgc hge hgg hgh hgi hgn hgr hgs hhb hhc hhe hhg hhh hhi hhn hhr hhs hib hic hie hig hih hii hin hir his hnb hnc hne hng hnh hnn hns hr- hrb hrc hre hrg hrh hri hrn hrr hrs hsb hsc hse hsg hsh hsi hsn hsr hss ibb ibc ibe ibg ibh ibi ibn ibr ibs icb icc ice icg ich ici icn icr ics ie- iec iee ieg iei ien ier ies igb igc ige igg igh igi ign igr igs ihb ihc ihe ihg ihh ihi ihn ihr ihs iib iic iie iih iii iin iir iis in- inb inc ine ing inh ini inn inr ins ir- irb irc ire irg iri irn irr irs is- isb isc ise isg ish isi isn isr iss n-i nbb nbc nbe nbg nbi nbn nbr nbs ncb ncc nce ncg nch nci ncn ncr ncs ne- neb nec nee neg neh nei nen ner nes ngb ngc nge ngg ngh ngi ngn ngs nhb nhc nhe nhg nhh nhi nhn nhr nhs nib nic nie nig nih nii nin nir nis nnb nnc nne nng nnh nni nnn nns nrb nrc nre nrg nri nrn nrr nrs nsb nsc nse nsg nsh nsi nsn nsr nss rbb rbc rbe rbg rbh rbi rbn rbr rbs rcb rcc rce rcg rch rci rcn rcr rcs re- reb rec ree reg reh rei ren rer res rgb rgc rge rgg rgh rgi rgn rgr rgs rh- rhb rhc rhe rhg rhh rhi rhn rhr rhs rib ric rie rig rih rii rin rir ris rnb rnc rng rnh rni rnn rnr rns rrb rrc rrg rrh rri rrn rrr rrs rsb rsc rse rsg rsh rsi rsn rsr rss sbb sbc sbe sbg sbh sbi sbn sbr sbs scb scc sce scg sch sci scn scr scs se- seb sec see seg seh sei sen ser ses sgb sgc sge sgg sgh sgi sgn sgr sgs sh- shb shc she shg shh shi shn shr shs sib sic sie sig sih sii sin sir sis snb snc sne sng sni snn snr sns sr- srb src sre srg srh sri srn srr srs ss- ssb ssc sse ssg ssh ssi ssn ssr sss