-er -up ddd dde ddg ddi ddp ddr ddt ddu de- ded dee deg dei dep der det deu dgd dge dgg dgi dgp dgr dgt dgu di- did die dig dii dip dir dit diu dpd dpe dpg dpi dpp dpr dpt dpu drd dre drg dri drp drr drt dru dtd dte dtg dti dtp dtr dtt dtu dud due dug dui dup dur dut ed- edd ede edg edi edp edr edt edu eed eee eeg eep eer eet egd ege egg egi egp egr egt egu eid eie eig eii eip eir eit eiu ep- epd epe epg epi epp epr ept epu erd ere erg eri erp err ert eru etd ete etg eti etp etr ett etu eu- eud eue eug eui eup eur eut g-d g-p gdd gde gdi gdp gdr gdt gdu ge- ged gee geg gei gep ger get geu ggd ggg ggi ggp ggr ggt ggu gid gie gig gii gip gir git giu gpd gpe gpg gpi gpp gpr gpt gpu grd gre grg gri grp grr grt gru gtd gte gtg gti gtp gtr gtt gtu gu- gud gue gug gui gup gur gut guu i-d idd ide idg idi idp idr idt idu ie- ied iee ieg iei iep ier iet igd ige igg igi igp igr igt igu iid iie iii iip iir iit iiu ipd ipe ipg ipi ipp ipr ipt ipu ir- ird ire irg iri irp irr irt iru itd ite itg iti itp itt itu iu- iud iue iug iui iup iur iut p-p pdd pde pdg pdi pdp pdr pdt pdu ped pee peg pei pep per pet peu pgd pge pgg pgi pgp pgr pgt pid pie pig pii pip pir pit piu ppd ppe ppg ppi ppp ppr ppt ppu prd pre prg pri prp prr prt pru pt- ptd pte ptg pti ptp ptr ptt ptu pud pue pug pui pup pur put puu rdd rde rdg rdi rdp rdr rdt rdu re- red ree reg rei rep rer ret reu rgd rge rgg rgi rgp rgr rgt rid rie rig rii rip rir rit rpd rpe rpg rpi rpp rpr rpt rpu rrd rrg rri rrp rrr rrt rru rtd rte rtg rti rtp rtr rtt rtu rud rue rug rui rup rur rut ruu tdd tde tdg tdi tdp tdr tdt tdu te- ted tee teg tei tep ter tet teu tge tgg tgi tgp tgr tgt tgu tid tie tig tii tip tir tit tiu tpd tpe tpg tpi tpp tpr tpt tpu trd tre trg tri trp trr trt tru ttd tte ttg tti ttp ttr ttt ttu tud tue tug tui tup tur tut tuu udd ude udg udi udp udr udt udu ued uee ueg uei uep uer uet uge ugg ugi ugp ugr ugt ugu uid uie uig uii uip uir uit uiu up- upd upe upg upi upp upr upt upu ur- urd ure urg uri urp urr urt uru utd ute uti utp utr utt utu uue uug uur uut uuu