-er ddd dde ddg ddi ddo ddp ddr ddt de- ded dee deg dei deo dep der det dgd dge dgg dgi dgp dgr dgt di- did die dig dii dio dip dir dit dod doe dog doi doo dop dor dot dpd dpe dpg dpi dpo dpp dpr dpt drd dre drg dri dro drp drr drt dtd dte dtg dti dto dtp dtr dtt ed- edd ede edg edi edo edp edr edt eed eee eeg eeo eep eer eet egd ege egg egi ego egp egr egt eid eie eig eii eio eip eir eit eo- eod eoe eog eoi eoo eop eor eot ep- epd epe epg epi epo epp epr ept erd ere erg eri ero erp err ert etd ete etg eti eto etp etr ett g-d g-p gdd gde gdi gdo gdp gdr gdt ge- ged gee geg gei geo gep ger get ggd ggg ggi ggo ggp ggr ggt gid gie gig gii gio gip gir git god goe gog goi goo gop gor got gpd gpe gpg gpi gpo gpp gpr gpt grd gre grg gri gro grp grr grt gtd gte gtg gti gto gtp gtr gtt i-d idd ide idg idi ido idp idr idt ie- ied iee ieg iei iep ier iet igd ige igg igi igo igp igr igt iid iie iii iio iip iir iit io- iod ioe iog ioi ioo iop ior iot ipd ipe ipg ipi ipo ipp ipr ipt ir- ird ire irg iri iro irp irr irt itd ite itg iti ito itp itt o-i odd ode odg odi odo odp odr odt oed oee oeg oei oeo oep oer oet ogd oge ogg ogi ogo ogp ogt oid oie oii oio oip oir oit oo- ood oog ooi ooo oop oor oot op- opd ope opg opi opo opp opr opt or- ord ore org ori oro orp orr ort ot- otd ote otg oti oto otp otr ott p-p pdd pde pdg pdi pdo pdp pdr pdt ped pee peg pei peo pep per pet pgd pge pgg pgi pgo pgp pgr pgt pid pie pig pii pio pip pir pit pod poe pog poi poo pop por pot ppd ppe ppg ppi ppo ppp ppr ppt prd pre prg pri pro prp prr prt pt- ptd pte ptg pti pto ptp ptr ptt rdd rde rdg rdi rdo rdp rdr rdt re- red ree reg rei reo rep rer ret rgd rge rgg rgi rgo rgp rgr rgt rid rie rig rii rio rip rir rit rod roe rog roi roo rop ror rot rpd rpe rpg rpi rpo rpp rpr rpt rrd rrg rri rrp rrr rrt rtd rte rtg rti rto rtp rtr rtt tdd tde tdg tdi tdo tdp tdr tdt te- ted tee teg tei teo tep ter tet tge tgg tgi tgo tgp tgr tgt tid tie tig tii tio tip tir tit to- tod toe tog toi too top tor tot tpd tpe tpg tpi tpo tpp tpr tpt trd tre trg tri tro trp trr trt ttd tte ttg tti tto ttp ttr ttt