-er -up ddd dde ddg ddi ddo ddp ddr dds ddu de- ded dee deg dei deo dep der des deu dgd dge dgg dgi dgp dgr dgs dgu di- did die dig dii dio dip dir dis diu dod doe dog doi doo dop dor dos dou dpd dpe dpg dpi dpo dpp dpr dps dpu drd dre drg dri dro drp drr drs dru dsd dse dsg dsi dso dsp dsr dss dsu dud due dug dui duo dup dur dus ed- edd ede edg edi edo edp edr eds edu eed eee eeg eeo eep eer ees egd ege egg egi ego egp egr egs egu eid eie eig eii eio eip eir eis eiu eo- eod eoe eog eoi eoo eop eor eos eou ep- epd epe epg epi epo epp epr eps epu erd ere erg eri ero erp err ers eru es- esd ese esg esi eso esp esr ess esu eu- eud eue eug eui eup eur eus g-d g-p gdd gde gdi gdo gdp gdr gds gdu ge- ged gee geg gei geo gep ger ges geu ggd ggg ggi ggo ggp ggr ggs ggu gid gie gig gii gio gip gir gis giu god goe gog goi goo gop gor gos gou gpd gpe gpg gpi gpo gpp gpr gps gpu grd gre grg gri gro grp grr grs gru gsd gse gsg gsi gso gsp gsr gss gsu gu- gud gue gug gui guo gup gur gus guu i-d idd ide idg idi ido idp idr ids idu ie- ied iee ieg iei iep ier ies igd ige igg igi igo igp igr igs igu iid iie iii iio iip iir iis iiu io- iod ioe iog ioi ioo iop ior ios iou ipd ipe ipg ipi ipo ipp ipr ips ipu ir- ird ire irg iri iro irp irr irs iru is- isd ise isg isi iso isp isr iss isu iu- iud iue iug iui iup iur ius o-i odd ode odg odi odo odp odr ods odu oed oee oeg oei oeo oep oer oes ogd oge ogg ogi ogo ogp ogs oid oie oii oio oip oir ois oiu oo- ood oog ooi ooo oop oor oos op- opd ope opg opi opo opp opr ops or- ord ore org ori oro orp orr ors oru os- osd ose osg osi oso osp osr oss osu ou- oud oue oui ouo oup our ous p-p pdd pde pdg pdi pdo pdp pdr pds pdu ped pee peg pei peo pep per pes peu pgd pge pgg pgi pgo pgp pgr pgs pid pie pig pii pio pip pir pis piu pod poe pog poi poo pop por pos pou ppd ppe ppg ppi ppo ppp ppr pps ppu prd pre prg pri pro prp prr prs pru ps- psd pse psg psi pso psp psr pss psu pud pue pug pui pup pur pus puu rdd rde rdg rdi rdo rdp rdr rds rdu re- red ree reg rei reo rep rer res reu rgd rge rgg rgi rgo rgp rgr rgs rid rie rig rii rio rip rir ris rod roe rog roi roo rop ror ros rou rpd rpe rpg rpi rpo rpp rpr rps rpu rrd rrg rri rrp rrr rrs rru rsd rse rsg rsi rso rsp rsr rss rsu rud rue rug rui ruo rup rur rus ruu sdd sde sdg sdi sdo sdp sdr sds sdu se- sed see seg sei seo sep ser ses seu sgd sge sgg sgi sgo sgp sgr sgs sgu sid sie sig sii sio sip sir sis siu sod soe sog soi soo sop sor sos sou spd spe spg spi spo spp spr sps spu sr- srd sre srg sri sro srp srr srs ss- ssd sse ssg ssi sso ssp ssr sss ssu sud sue sug sui suo sup sur sus suu udd ude udg udi udo udp udr uds udu ued uee ueg uei uep uer ues uge ugg ugi ugo ugp ugr ugs ugu uid uie uig uii uio uip uir uis uiu uod uoe uog uoo uop uor uos up- upd upe upg upi upo upp upr ups upu ur- urd ure urg uri uro urp urr urs uru usd use usg usi uso usp usr uss usu uue uug uur uus uuu