-er b-p bbb bbd bbe bbg bbi bbp bbr bbt bbx bdb bdd bde bdg bdi bdp bdr bdt bdx be- beb bed bee beg bei bep ber bet bex bgb bgd bge bgg bgi bgp bgr bgt bgx bi- bib bid bie big bii bip bir bit bix bpb bpd bpe bpg bpi bpp bpr bpt bpx brb brd bre brg bri brp brr brt brx btb btd bte btg bti btp btr btt btx bxb bxd bxi bxx dbb dbd dbe dbg dbi dbp dbr dbt dbx ddb ddd dde ddg ddi ddp ddr ddt ddx de- deb ded dee deg dei dep der det dex dgd dge dgg dgi dgp dgr dgt di- dib did die dig dii dip dir dit dix dpb dpd dpe dpg dpi dpp dpr dpt drb drd dre drg dri drp drr drt drx dtb dtd dte dtg dti dtp dtr dtt dtx dxd dxi dxp dxr dxt dxx ebb ebd ebe ebg ebi ebp ebr ebt ebx ed- edb edd ede edg edi edp edr edt edx eeb eed eee eeg eep eer eet eex egb egd ege egg egi egp egr egt egx eib eid eie eig eii eip eir eit eix ep- epb epd epe epg epi epp epr ept epx erb erd ere erg eri erp err ert etb etd ete etg eti etp etr ett etx ex- exd exe exi exp exr ext exx g-d g-p gbd gbe gbg gbi gbp gbr gbt gbx gdb gdd gde gdi gdp gdr gdt gdx ge- geb ged gee geg gei gep ger get gex ggb ggd ggg ggi ggp ggr ggt gib gid gie gig gii gip gir git gpb gpd gpe gpg gpi gpp gpr gpt gpx grb grd gre grg gri grp grr grt grx gtb gtd gte gtg gti gtp gtr gtt gtx gxp gxt i-d ibb ibd ibe ibg ibi ibp ibr ibt ibx idb idd ide idg idi idp idr idt idx ie- ied iee ieg iei iep ier iet iex igb igd ige igg igi igp igr igt iib iid iie iii iip iir iit iix ipb ipd ipe ipg ipi ipp ipr ipt ipx ir- irb ird ire irg iri irp irr irt irx itb itd ite itg iti itp itt itx ixe ixi p-p pbb pbd pbe pbg pbi pbp pbr pbt pbx pdb pdd pde pdg pdi pdp pdr pdt pdx peb ped pee peg pei pep per pet pex pgb pgd pge pgg pgi pgp pgr pgt pib pid pie pig pii pip pir pit pix ppb ppd ppe ppg ppi ppp ppr ppt ppx prb prd pre prg pri prp prr prt prx pt- ptb ptd pte ptg pti ptp ptr ptt ptx pxe pxg pxr pxt rbb rbd rbe rbg rbi rbp rbr rbt rbx rdb rdd rde rdg rdi rdp rdr rdt rdx re- reb red ree reg rei rep rer ret rex rgb rgd rge rgg rgi rgp rgr rgt rgx rib rid rie rig rii rip rir rit rix rpb rpd rpe rpg rpi rpp rpr rpt rpx rrb rrd rrg rri rrp rrr rrt rtb rtd rte rtg rti rtp rtr rtt rtx rxp rxr t-x tbb tbd tbe tbg tbi tbp tbr tbt tdb tdd tde tdg tdi tdp tdr tdt tdx te- teb ted tee teg tei tep ter tet tex tgb tge tgg tgi tgp tgr tgt tib tid tie tig tii tip tir tit tix tpb tpd tpe tpg tpi tpp tpr tpt tpx trb trd tre trg tri trp trr trt trx ttb ttd tte ttg tti ttp ttr ttt ttx txe txi txt xbe xbr xbx xdb xde xdi xdr xdt xed xee xeg xep xer xet xex xge xgi xgp xie xii xit xix xpb xpd xpe xpg xpp xpt xrd xrt xrx xti xtp xtr xtx xxi xxp xxx

bbbb bbdd bbeb bbet bbpr bbrg bd-r bdii bebb bebe bebi bede bedi beeb beed beeg beep beer beet begg begi beir beit berd bere berg beri berr bert bete beti bett bibb bibe bibi bide bidi bidr bidx bieb bied bier biet bigb bigd bige bigg bigt bipp birb bird bire birg biri birr birt birx bitd bite bitt bitx bixi bprd bpti brdt breb bred bree breg brei brep brer bret brex brid brie brig brit brix brrr btbp btdt btex btie btrt bttb d-ix dbgp dbit dbpd dbtt dddd ddie ddre debe debi debt dedd dede dedi deeb deed deeg deep deer deet dege degi deid deie deip deir deit depe depp depr dept der- derb dere derg deri derp derr dete detr dex- dexe dext dgbx dgeg dgge dgxp dibb dibe dibp dide didi dieb died diep dier diet diex dige digg digi diii dipe dipp dipt dird dire dirr dirt dite diti ditt dixi dpdt dper dpie dppx dprg dred dree dreg drei dret drge drib drie drip drit drix dtdp dted dttp dttx dtxt dxbe dxbr dxbt dxdr dxed dxep dxgd dxii dxip dxix dxrd dxre dxrp dxrr dxrt dxrx dxxr dxxx ebbr ebed eber ebid ebit ebix edde eddi eddp ede- edei eder edex edge edie edip edit eede eeee eerg eete eext egbe egee eger eggb egge eggi eggp egir egpb egpd egpe egpi egre egri egte eid- eide eidi eidr eied eiei eier eige eigg eipr eird eire eitb eiti eitr epee eper epi- epid epie epip epit epix eppp eprb eprp epte epxp er-x erbb erbe erde erdi ereb ered erei erer eret erg- ergg ergi erie erit erpe erre etbr etee eter etix etre ette etti exed exer exge exgi exid exit expr expt exrx exte extr gbde gddb gdrt gebe gebi gedd gede gedi geed geep geer geet gege gegg geie geig geir geit gepe gerb gerd gere geri gert getb gete getg geti gett ggbt gggg gibb gibe gidd gide gidi gied gier giet gige gigg gigi gipe gipi gipp gird gire girg giri girr girt gite gper gpgp gpip gprd gprp gpxe