-er -ic b-p bbb bbc bbd bbe bbg bbi bbp bbr bbt bcb bcc bcd bce bcg bci bcp bcr bct bdb bdc bdd bde bdg bdi bdp bdr bdt be- beb bec bed bee beg bei bep ber bet bgb bgc bgd bge bgg bgi bgp bgr bgt bi- bib bic bid bie big bii bip bir bit bpb bpc bpd bpe bpg bpi bpp bpr bpt brb brd bre brg bri brp brr brt btb btc btd bte btg bti btp btr btt c-- cbb cbc cbd cbe cbg cbi cbp cbr cbt ccb ccc ccd cce ccg cci ccp ccr cct cdb cdc cdd cde cdg cdi cdp cdr cdt ce- ceb cec ced cee ceg cei cep cer cet cgb cgc cgd cge cgg cgi cgp cgr cgt ci- cib cic cid cie cig cii cip cir cit cpb cpc cpd cpe cpg cpi cpp cpr cpt crb crc crd cre crg cri crp crr crt ctb ctc ctd cte ctg cti ctp ctr ctt dbb dbc dbd dbe dbg dbi dbp dbr dbt dcb dcc dcd dce dcg dci dcp dcr dct ddb ddc ddd dde ddg ddi ddp ddr ddt de- deb dec ded dee deg dei dep der det dgc dgd dge dgg dgi dgp dgr dgt di- dib dic did die dig dii dip dir dit dpb dpc dpd dpe dpg dpi dpp dpr dpt drb drc drd dre drg dri drp drr drt dtb dtc dtd dte dtg dti dtp dtr dtt ebb ebc ebd ebe ebg ebi ebp ebr ebt ec- ecb ecc ecd ece ecg eci ecr ect ed- edb edc edd ede edg edi edp edr edt eeb eec eed eee eeg eep eer eet egb egc egd ege egg egi egp egr egt eib eic eid eie eig eii eip eir eit ep- epb epc epd epe epg epi epp epr ept erb erc erd ere erg eri erp err ert etb etc etd ete etg eti etp etr ett g-d g-p gbc gbd gbe gbg gbi gbp gbr gbt gcb gcc gcd gce gcg gci gcp gcr gct gdb gdc gdd gde gdi gdp gdr gdt ge- geb gec ged gee geg gei gep ger get ggb ggc ggd ggg ggi ggp ggr ggt gib gic gid gie gig gii gip gir git gpb gpc gpd gpe gpg gpi gpp gpr gpt grb grc grd gre grg gri grp grr grt gtb gtc gtd gte gtg gti gtp gtr gtt i-d ibb ibc ibd ibe ibg ibi ibp ibr ibt icb icc icd ice icg ici icp icr ict idb idc idd ide idg idi idp idr idt ie- iec ied iee ieg iei iep ier iet igb igc igd ige igg igi igp igr igt iib iic iid iie iii iip iir iit ipb ipc ipd ipe ipg ipi ipp ipr ipt ir- irb irc ird ire irg iri irp irr irt itb itc itd ite itg iti itp itt p-p pbb pbc pbd pbe pbg pbi pbp pbr pbt pcb pcc pcd pce pcg pci pcp pcr pct pdb pdc pdd pde pdg pdi pdp pdr pdt peb pec ped pee peg pei pep per pet pgb pgc pgd pge pgg pgi pgp pgr pgt pib pic pid pie pig pii pip pir pit ppb ppc ppd ppe ppg ppi ppp ppr ppt prb prc prd pre prg pri prp prr prt pt- ptb ptc ptd pte ptg pti ptp ptr ptt rbb rbc rbd rbe rbg rbi rbp rbr rbt rcb rcc rcd rce rcg rci rcp rcr rct rdb rdc rdd rde rdg rdi rdp rdr rdt re- reb rec red ree reg rei rep rer ret rgb rgc rgd rge rgg rgi rgp rgr rgt rib ric rid rie rig rii rip rir rit rpb rpc rpd rpe rpg rpi rpp rpr rpt rrb rrc rrd rrg rri rrp rrr rrt rtb rtc rtd rte rtg rti rtp rtr rtt tbb tbc tbd tbe tbg tbi tbp tbr tbt tcb tcc tcd tce tcg tci tcp tcr tct tdb tdc tdd tde tdg tdi tdp tdr tdt te- teb tec ted tee teg tei tep ter tet tgb tgc tge tgg tgi tgp tgr tgt tib tic tid tie tig tii tip tir tit tpb tpc tpd tpe tpg tpi tpp tpr tpt trb trc trd tre trg tri trp trr trt ttb ttc ttd tte ttg tti ttp ttr ttt

bbbb bbci bbdd bbeb bbet bbpr bbrc bbrg bcbc bcbg bcbp bccc bcci bcde bcec bcer bcet bcie bcit bcpp bctc bd-r bdbc bddc bdii bdpc bebb bebe bebi beci bede bedi beeb beed beeg beep beer beet begg begi beic beir beit berc berd bere berg beri berr bert betc bete beti bett bibb bibe bibi bicc bice bicg bici bide bidi bidr bieb bied bier biet bigb bigc bigd bige bigg bigt bipp birb bird bire birg biri birr birt bitc bitd bite bitt bpcp bprc bprd bpti brcb brce brdt breb brec bred bree breg brei brep brer bret bric brid brie brig brit brrr brtc btbp btcc btdt btec btie btrc btrt bttb c-cd cbbc cbcc cbce cbcp cbcr cbct cbdb cbdc cbdi cbec cbee cber cbet cbgb cbid cbir cbit cbpc cbpp cbrd cbre cbrt cbtc ccbc cccb cccc ccci cccp ccdc ccdi ccdp ccdr cced ccee ccgc ccgt ccic ccid ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccrg ccri ccrp ccrt cctb cctc cctt cd-e cd-r cddb cddr cdec cder cdic cdii cdre cebp cec- cece ceci cecp cect cedd cede cedi cedt ceeb ceec cege ceip cepc cepe cepp cepr cept cer- cerc cerd cere ceri cerp cert cet- cete ceti cetp cgcc cgcg cged cger cgtp cibc cibe cibi cicc cici cicr cict cidc cide cidg cidi cidp cidr cidt ciee cier cigi ciid ciii ciit cipp cirb circ cire ciri cirr cirt citb cite citg citi citp citt cpbc cpce cpeb cpep cper cpgb cpic cppd cpre cpri cprt cptp