-er -up ddd dde ddg ddi ddp ddr dds ddu de- ded dee deg dei dep der des deu dgd dge dgg dgi dgp dgr dgs dgu di- did die dig dii dip dir dis diu dpd dpe dpg dpi dpp dpr dps dpu drd dre drg dri drp drr drs dru dsd dse dsg dsi dsp dsr dss dsu dud due dug dui dup dur dus ed- edd ede edg edi edp edr eds edu eed eee eeg eep eer ees egd ege egg egi egp egr egs egu eid eie eig eii eip eir eis eiu ep- epd epe epg epi epp epr eps epu erd ere erg eri erp err ers eru es- esd ese esg esi esp esr ess esu eu- eud eue eug eui eup eur eus g-d g-p gdd gde gdi gdp gdr gds gdu ge- ged gee geg gei gep ger ges geu ggd ggg ggi ggp ggr ggs ggu gid gie gig gii gip gir gis giu gpd gpe gpg gpi gpp gpr gps gpu grd gre grg gri grp grr grs gru gsd gse gsg gsi gsp gsr gss gsu gu- gud gue gug gui gup gur gus guu i-d idd ide idg idi idp idr ids idu ie- ied iee ieg iei iep ier ies igd ige igg igi igp igr igs igu iid iie iii iip iir iis iiu ipd ipe ipg ipi ipp ipr ips ipu ir- ird ire irg iri irp irr irs iru is- isd ise isg isi isp isr iss isu iu- iud iue iug iui iup iur ius p-p pdd pde pdg pdi pdp pdr pds pdu ped pee peg pei pep per pes peu pgd pge pgg pgi pgp pgr pgs pid pie pig pii pip pir pis piu ppd ppe ppg ppi ppp ppr pps ppu prd pre prg pri prp prr prs pru ps- psd pse psg psi psp psr pss psu pud pue pug pui pup pur pus puu rdd rde rdg rdi rdp rdr rds rdu re- red ree reg rei rep rer res reu rgd rge rgg rgi rgp rgr rgs rid rie rig rii rip rir ris rpd rpe rpg rpi rpp rpr rps rpu rrd rrg rri rrp rrr rrs rru rsd rse rsg rsi rsp rsr rss rsu rud rue rug rui rup rur rus ruu sdd sde sdg sdi sdp sdr sds sdu se- sed see seg sei sep ser ses seu sgd sge sgg sgi sgp sgr sgs sgu sid sie sig sii sip sir sis siu spd spe spg spi spp spr sps spu sr- srd sre srg sri srp srr srs ss- ssd sse ssg ssi ssp ssr sss ssu sud sue sug sui sup sur sus suu udd ude udg udi udp udr uds udu ued uee ueg uei uep uer ues uge ugg ugi ugp ugr ugs ugu uid uie uig uii uip uir uis uiu up- upd upe upg upi upp upr ups upu ur- urd ure urg uri urp urr urs uru usd use usg usi usp usr uss usu uue uug uur uus uuu