-er ddd dde ddi ddm ddn ddp ddr dds ddt ddx de- ded dee dei dem den dep der des det dex di- did die dii dim din dip dir dis dit dix dmd dme dmi dmm dmn dmp dmr dms dmt dmx dnd dne dni dnm dnn dnp dnr dns dnt dpd dpe dpi dpm dpn dpp dpr dps dpt drd dre dri drm drn drp drr drs drt drx dsd dse dsi dsm dsn dsp dsr dss dst dsx dtd dte dti dtm dtn dtp dtr dts dtt dtx dxd dxi dxn dxp dxr dxs dxt dxx ed- edd ede edi edm edn edp edr eds edt edx eed eee eem een eep eer ees eet eex eid eie eii eim ein eip eir eis eit eix em- emd eme emi emm emn emp emr ems emt emx en- end ene eni enm enn enp enr ens ent ep- epd epe epi epm epn epp epr eps ept epx erd ere eri erm ern erp err ers ert es- esd ese esi esm esn esp esr ess est esx etd ete eti etm etn etp etr ets ett etx ex- exd exe exi exp exr exs ext exx i-d idd ide idi idm idn idp idr ids idt idx ie- ied iee iei iem ien iep ier ies iet iex iid iie iii iim iin iip iir iis iit iix im- imd ime imi imm imn imp ims imt imx in- ind ine ini inm inn inp inr ins int inx ipd ipe ipi ipm ipn ipp ipr ips ipt ipx ir- ird ire iri irm irn irp irr irs irt irx is- isd ise isi ism isn isp isr iss ist itd ite iti itm itn itp its itt itx ixe ixi ixn m-r mdd mde mdi mdm mdn mdp mdr mds mdt mdx med mee mei mem men mep mer mes met mex mi- mid mie mii mim min mip mir mis mit mix mmd mme mmi mmm mmn mmp mmr mms mmt mmx mne mni mnm mnn mnp mnr mns mnt mpd mpe mpi mpm mpn mpp mpr mps mpt mpx mrd mre mri mrm mrn mrp mrr mrs mrt mrx msd mse msi msm msn msp msr mss mst msx mtd mte mti mtm mtn mtp mtr mts mtt mtx mxd mxi mxn mxp mxr mxs n-i ndd nde ndi ndm ndn ndp ndr nds ndt ne- ned nee nei nem nen nep ner nes net nex nid nie nii nim nin nip nir nis nit nix nmd nme nmi nmm nmn nmp nmr nms nmt nne nni nnm nnn nnp nns nnt npd npe npi npm npn npp npr nps npt nrd nre nri nrm nrn nrp nrr nrs nrt nrx nsd nse nsi nsm nsn nsp nsr nss nst nsx ntd nte nti ntm ntn ntp ntr nts ntt ntx nxd nxt p-p pdd pde pdi pdm pdn pdp pdr pds pdt pdx ped pee pei pem pen pep per pes pet pex pid pie pii pim pin pip pir pis pit pix pmd pme pmi pmm pmn pmp pmr pms pmt pmx pn- pnd pne pni pnm pnn pnp pnr pns pnt pnx ppd ppe ppi ppm ppn ppp ppr pps ppt ppx prd pre pri prm prn prp prr prs prt prx ps- psd pse psi psm psn psp psr pss pst psx pt- ptd pte pti ptm ptn ptp ptr pts ptt ptx pxe pxm pxr pxs pxt rdd rde rdi rdm rdn rdp rdr rds rdt rdx re- red ree rei rem ren rep rer res ret rex rid rie rii rim rin rip rir ris rit rix rmd rme rmi rmm rmn rmp rmr rms rmt rmx rnd rni rnm rnn rnp rnr rns rnt rpd rpe rpi rpm rpn rpp rpr rps rpt rpx rrd rri rrm rrn rrp rrr rrs rrt rsd rse rsi rsm rsn rsp rsr rss rst rsx rtd rte rti rtm rtn rtp rtr rts rtt rtx rxp rxr rxs sdd sde sdi sdm sdn sdp sdr sds sdt se- sed see sei sem sen sep ser ses set sex sid sie sii sim sin sip sir sis sit six smd sme smi smm smn smp smr sms smt smx snd sne sni snm snn snp snr sns snt spd spe spi spm spn spp spr sps spt spx sr- srd sre sri srm srn srp srr srs srt srx ss- ssd sse ssi ssm ssn ssp ssr sss sst ssx std ste sti stm stn stp str sts stt stx sxi sxm sxn sxs sxt t-x tdd tde tdi tdm tdn tdp tdr tds tdt tdx te- ted tee tei tem ten tep ter tes tet tex tid tie tii tim tin tip tir tis tit tix tmd tme tmi tmm tmn tmp tmr tms tmt tmx tnd tne tni tnm tnn tnp tnr tns tnt tnx tpd tpe tpi tpm tpn tpp tpr tps tpt tpx trd tre tri trm trn trp trr trs trt trx tsd tse tsi tsm tsn tsp tsr tss tst tsx ttd tte tti ttm ttn ttp ttr tts ttt ttx txe txi txn txs txt xde xdi xdm xdr xds xdt xed xee xem xen xep xer xes xet xex xie xii xin xis xit xix xmd xmi xmm xmp xmr xms xmt xmx xns xpd xpe xpm xpn xpp xps xpt xrd xrt xrx xsi xsm xsp xss xst xti xtm xtp xtr xts xtx xxi xxp xxx