-er -ic bbb bbc bbe bbg bbi bbn bbr bbs bbt bcb bcc bce bcg bci bcn bcr bcs bct be- beb bec bee beg bei ben ber bes bet bgb bgc bge bgg bgi bgn bgr bgs bgt bi- bib bic bie big bii bin bir bis bit bnb bnc bne bng bni bnn bnr bns bnt brb bre brg bri brn brr brs brt bsb bsc bse bsg bsi bsn bsr bss bst btb btc bte btg bti btn btr bts btt c-- cbb cbc cbe cbg cbi cbn cbr cbs cbt ccb ccc cce ccg cci ccn ccr ccs cct ce- ceb cec cee ceg cei cen cer ces cet cgb cgc cge cgg cgi cgn cgr cgs cgt ci- cib cic cie cig cii cin cir cis cit cn- cnb cnc cne cng cni cnn cnr cns cnt crb crc cre crg cri crn crr crs crt csb csc cse csg csi csn csr css cst ctb ctc cte ctg cti ctn ctr cts ctt ebb ebc ebe ebg ebi ebn ebr ebs ebt ec- ecb ecc ece ecg eci ecn ecr ecs ect eeb eec eee eeg een eer ees eet egb egc ege egg egi egn egr egs egt eib eic eie eig eii ein eir eis eit en- enb enc ene eng eni enn enr ens ent erb erc ere erg eri ern err ers ert es- esb esc ese esg esi esn esr ess est etb etc ete etg eti etn etr ets ett gbc gbe gbg gbi gbn gbr gbs gbt gcb gcc gce gcg gci gcn gcr gcs gct ge- geb gec gee geg gei gen ger ges get ggb ggc ggg ggi ggn ggr ggs ggt gib gic gie gig gii gin gir gis git gnb gnc gne gni gnn gnr gns gnt grb grc gre grg gri grn grr grs grt gsb gsc gse gsg gsi gsn gsr gss gst gtb gtc gte gtg gti gtn gtr gts gtt ibb ibc ibe ibg ibi ibn ibr ibs ibt icb icc ice icg ici icn icr ics ict ie- iec iee ieg iei ien ier ies iet igb igc ige igg igi ign igr igs igt iib iic iie iii iin iir iis iit in- inb inc ine ing ini inn inr ins int ir- irb irc ire irg iri irn irr irs irt is- isb isc ise isg isi isn isr iss ist itb itc ite itg iti itn its itt n-i nbb nbc nbe nbg nbi nbn nbr nbs nbt ncb ncc nce ncg nci ncn ncr ncs nct ne- neb nec nee neg nei nen ner nes net ngb ngc nge ngg ngi ngn ngs ngt nib nic nie nig nii nin nir nis nit nnb nnc nne nng nni nnn nns nnt nrb nrc nre nrg nri nrn nrr nrs nrt nsb nsc nse nsg nsi nsn nsr nss nst ntb ntc nte ntg nti ntn ntr nts ntt rbb rbc rbe rbg rbi rbn rbr rbs rbt rcb rcc rce rcg rci rcn rcr rcs rct re- reb rec ree reg rei ren rer res ret rgb rgc rge rgg rgi rgn rgr rgs rgt rib ric rie rig rii rin rir ris rit rnb rnc rng rni rnn rnr rns rnt rrb rrc rrg rri rrn rrr rrs rrt rsb rsc rse rsg rsi rsn rsr rss rst rtb rtc rte rtg rti rtn rtr rts rtt sbb sbc sbe sbg sbi sbn sbr sbs sbt scb scc sce scg sci scn scr scs sct se- seb sec see seg sei sen ser ses set sgb sgc sge sgg sgi sgn sgr sgs sgt sib sic sie sig sii sin sir sis sit snb snc sne sng sni snn snr sns snt sr- srb src sre srg sri srn srr srs srt ss- ssb ssc sse ssg ssi ssn ssr sss sst stb stc ste stg sti stn str sts stt tbb tbc tbe tbg tbi tbn tbr tbs tbt tcb tcc tce tcg tci tcn tcr tcs tct te- teb tec tee teg tei ten ter tes tet tgb tgc tge tgg tgi tgn tgr tgs tgt tib tic tie tig tii tin tir tis tit tnb tnc tne tng tni tnn tnr tns tnt trb trc tre trg tri trn trr trs trt tsb tsc tse tsg tsi tsn tsr tss tst ttb ttc tte ttg tti ttn ttr tts ttt