-er -up ddd dde ddg ddp ddr dds ddt ddu de- ded dee deg dep der des det deu dgd dge dgg dgp dgr dgs dgt dgu dpd dpe dpg dpp dpr dps dpt dpu drd dre drg drp drr drs drt dru dsd dse dsg dsp dsr dss dst dsu dtd dte dtg dtp dtr dts dtt dtu dud due dug dup dur dus dut ed- edd ede edg edp edr eds edt edu eed eee eeg eep eer ees eet egd ege egg egp egr egs egt egu ep- epd epe epg epp epr eps ept epu erd ere erg erp err ers ert eru es- esd ese esg esp esr ess est esu etd ete etg etp etr ets ett etu eu- eud eue eug eup eur eus eut g-d g-p gdd gde gdp gdr gds gdt gdu ge- ged gee geg gep ger ges get geu ggd ggg ggp ggr ggs ggt ggu gpd gpe gpg gpp gpr gps gpt gpu grd gre grg grp grr grs grt gru gsd gse gsg gsp gsr gss gst gsu gtd gte gtg gtp gtr gts gtt gtu gu- gud gue gug gup gur gus gut guu p-p pdd pde pdg pdp pdr pds pdt pdu ped pee peg pep per pes pet peu pgd pge pgg pgp pgr pgs pgt ppd ppe ppg ppp ppr pps ppt ppu prd pre prg prp prr prs prt pru ps- psd pse psg psp psr pss pst psu pt- ptd pte ptg ptp ptr pts ptt ptu pud pue pug pup pur pus put puu rdd rde rdg rdp rdr rds rdt rdu re- red ree reg rep rer res ret reu rgd rge rgg rgp rgr rgs rgt rpd rpe rpg rpp rpr rps rpt rpu rrd rrg rrp rrr rrs rrt rru rsd rse rsg rsp rsr rss rst rsu rtd rte rtg rtp rtr rts rtt rtu rud rue rug rup rur rus rut ruu sdd sde sdg sdp sdr sds sdt sdu se- sed see seg sep ser ses set seu sgd sge sgg sgp sgr sgs sgt sgu spd spe spg spp spr sps spt spu sr- srd sre srg srp srr srs srt ss- ssd sse ssg ssp ssr sss sst ssu std ste stg stp str sts stt stu sud sue sug sup sur sus sut suu tdd tde tdg tdp tdr tds tdt tdu te- ted tee teg tep ter tes tet teu tge tgg tgp tgr tgs tgt tgu tpd tpe tpg tpp tpr tps tpt tpu trd tre trg trp trr trs trt tru tsd tse tsg tsp tsr tss tst tsu ttd tte ttg ttp ttr tts ttt ttu tud tue tug tup tur tus tut tuu udd ude udg udp udr uds udt udu ued uee ueg uep uer ues uet uge ugg ugp ugr ugs ugt ugu up- upd upe upg upp upr ups upt upu ur- urd ure urg urp urr urs urt uru usd use usg usp usr uss ust usu utd ute utp utr uts utt utu uue uug uur uus uut uuu