-er -ic -th bbb bbc bbe bbg bbh bbi bbr bbs bbt bcb bcc bce bcg bch bci bcr bcs bct be- beb bec bee beg beh bei ber bes bet bgb bgc bge bgg bgh bgi bgr bgs bgt bhb bhc bhe bhg bhh bhi bhr bhs bht bi- bib bic bie big bih bii bir bis bit brb bre brg brh bri brr brs brt bsb bsc bse bsg bsh bsi bsr bss bst btb btc bte btg bth bti btr bts btt c-- cbb cbc cbe cbg cbh cbi cbr cbs cbt ccb ccc cce ccg cch cci ccr ccs cct ce- ceb cec cee ceg ceh cei cer ces cet cgb cgc cge cgg cgh cgi cgr cgs cgt ch- chb chc che chg chh chi chr chs cht ci- cib cic cie cig cih cii cir cis cit crb crc cre crg crh cri crr crs crt csb csc cse csg csh csi csr css cst ctb ctc cte ctg cth cti ctr cts ctt ebb ebc ebe ebg ebh ebi ebr ebs ebt ec- ecb ecc ece ecg ech eci ecr ecs ect eeb eec eee eeg eer ees eet egb egc ege egg egh egi egr egs egt ehb ehc ehe ehg ehh ehi ehr ehs eht eib eic eie eig eii eir eis eit erb erc ere erg erh eri err ers ert es- esb esc ese esg esh esi esr ess est etb etc ete etg eth eti etr ets ett gbc gbe gbg gbh gbi gbr gbs gbt gcb gcc gce gcg gch gci gcr gcs gct ge- geb gec gee geg geh gei ger ges get ggb ggc ggg ggh ggi ggr ggs ggt ghb ghc ghe ghg ghh ghi ghr ghs ght gib gic gie gig gih gii gir gis git grb grc gre grg grh gri grr grs grt gsb gsc gse gsg gsi gsr gss gst gtb gtc gte gtg gth gti gtr gts gtt h-i hbb hbc hbe hbg hbh hbi hbr hbs hbt hcb hcc hce hcg hch hci hcr hcs hct he- heb hec hee heg heh hei her hes het hgb hgc hge hgg hgh hgi hgr hgs hgt hhb hhc hhe hhg hhh hhi hhr hhs hht hib hic hie hig hih hii hir his hit hr- hrb hrc hre hrg hrh hri hrr hrs hrt hsb hsc hse hsg hsh hsi hsr hss hst htb htc hte htg hth hti htr hts htt ibb ibc ibe ibg ibh ibi ibr ibs ibt icb icc ice icg ich ici icr ics ict ie- iec iee ieg iei ier ies iet igb igc ige igg igh igi igr igs igt ihb ihc ihe ihg ihh ihi ihr ihs iht iib iic iie iih iii iir iis iit ir- irb irc ire irg iri irr irs irt is- isb isc ise isg ish isi isr iss ist itb itc ite itg ith iti its itt rbb rbc rbe rbg rbh rbi rbr rbs rbt rcb rcc rce rcg rch rci rcr rcs rct re- reb rec ree reg reh rei rer res ret rgb rgc rge rgg rgh rgi rgr rgs rgt rh- rhb rhc rhe rhg rhh rhi rhr rhs rht rib ric rie rig rih rii rir ris rit rrb rrc rrg rrh rri rrr rrs rrt rsb rsc rse rsg rsh rsi rsr rss rst rtb rtc rte rtg rti rtr rts rtt sbb sbc sbe sbg sbh sbi sbr sbs sbt scb scc sce scg sch sci scr scs sct se- seb sec see seg seh sei ser ses set sgb sgc sge sgg sgh sgi sgr sgs sgt sh- shb shc she shg shh shi shr shs sht sib sic sie sig sih sii sir sis sit sr- srb src sre srg srh sri srr srs srt ss- ssb ssc sse ssg ssh ssi ssr sss sst stb stc ste stg sth sti str sts stt tbb tbc tbe tbg tbh tbi tbr tbs tbt tcb tcc tce tcg tch tci tcr tcs tct te- teb tec tee teg teh tei ter tes tet tgb tgc tge tgg tgh tgi tgr tgs tgt th- thb thc the thg thh thi thr ths tht tib tic tie tig tih tii tir tis tit trb trc tre trg trh tri trr trs trt tsb tsc tse tsg tsh tsi tsr tss tst ttb ttc tte ttg tth tti ttr tts ttt