-er ddd dde ddi ddm ddo ddr dds ddu ddx de- ded dee dei dem deo der des deu dex di- did die dii dim dio dir dis diu dix dmd dme dmi dmm dmo dmr dms dmu dmx dod doe doi dom doo dor dos dou dox drd dre dri drm dro drr drs dru drx dsd dse dsi dsm dso dsr dss dsu dsx dud due dui dum duo dur dus dux dxd dxi dxo dxr dxs dxx ed- edd ede edi edm edo edr eds edu edx eed eee eem eeo eer ees eex eid eie eii eim eio eir eis eiu eix em- emd eme emi emm emo emr ems emu emx eo- eod eoe eoi eom eoo eor eos eou erd ere eri erm ero err ers eru es- esd ese esi esm eso esr ess esu esx eu- eud eue eui eur eus eux ex- exd exe exi exo exr exs exu exx i-d idd ide idi idm ido idr ids idu idx ie- ied iee iei iem ier ies iex iid iie iii iim iio iir iis iiu iix im- imd ime imi imm imo ims imu imx io- iod ioe ioi iom ioo ior ios iou ir- ird ire iri irm iro irr irs iru irx is- isd ise isi ism iso isr iss isu iu- iud iue iui ium iur ius ixe ixi m-o m-r mdd mde mdi mdm mdo mdr mds mdu mdx med mee mei mem meo mer mes meu mex mi- mid mie mii mim mio mir mis miu mix mmd mme mmi mmm mmo mmr mms mmu mmx mod moe moi mom moo mor mos mou mox mrd mre mri mrm mro mrr mrs mru mrx msd mse msi msm mso msr mss msu msx mud mue mui mum mur mus muu mux mxd mxi mxr mxs mxu o-i odd ode odi odm odo odr ods odu oed oee oei oem oeo oer oes oex oid oie oii oim oio oir ois oiu om- omd ome omi omm omo omr oms omu omx oo- ood ooi oom ooo oor oos oox or- ord ore ori orm oro orr ors oru orx os- osd ose osi osm oso osr oss osu osx ou- oud oue oui oum ouo our ous ox- oxi oxo oxx rdd rde rdi rdm rdo rdr rds rdu rdx re- red ree rei rem reo rer res reu rex rid rie rii rim rio rir ris rix rmd rme rmi rmm rmo rmr rms rmx rod roe roi rom roo ror ros rou rox rrd rri rrm rrr rrs rru rsd rse rsi rsm rso rsr rss rsu rsx rud rue rui rum ruo rur rus ruu rux rxr rxs sdd sde sdi sdm sdo sdr sds sdu se- sed see sei sem seo ser ses seu sex sid sie sii sim sio sir sis siu six smd sme smi smm smo smr sms smu smx sod soe soi som soo sor sos sou sox sr- srd sre sri srm sro srr srs srx ss- ssd sse ssi ssm sso ssr sss ssu ssx sud sue sui sum suo sur sus suu sux sxi sxm sxs sxu udd ude udi udm udo udr uds udu udx ued uee uei uem uer ues uid uie uii uim uio uir uis uiu um- umd ume umi umm umo umr ums umu uod uoe uom uoo uor uos uox ur- urd ure uri urm uro urr urs uru urx usd use usi usm uso usr uss usu usx uue uum uur uus uuu uxo uxr uxu xde xdi xdm xdr xds xed xee xem xer xes xeu xex xie xii xio xis xiu xix xmd xmi xmm xmo xmr xms xmu xmx xod xoi xom xoo xor xos xox xrd xrx xsi xsm xss xue xui xus xxi xxo xxx