ddd dde ddi ddm ddo ddp dds ddx de- ded dee dei dem deo dep des dex di- did die dii dim dio dip dis dix dmd dme dmi dmm dmo dmp dms dmx dod doe doi dom doo dop dos dox dpd dpe dpi dpm dpo dpp dps dsd dse dsi dsm dso dsp dss dsx dxd dxi dxo dxp dxs dxx ed- edd ede edi edm edo edp eds edx eed eee eem eeo eep ees eex eid eie eii eim eio eip eis eix em- emd eme emi emm emo emp ems emx eo- eod eoe eoi eom eoo eop eos ep- epd epe epi epm epo epp eps epx es- esd ese esi esm eso esp ess esx ex- exd exe exi exo exp exs exx i-d idd ide idi idm ido idp ids idx ie- ied iee iei iem iep ies iex iid iie iii iim iio iip iis iix im- imd ime imi imm imo imp ims imx io- iod ioe ioi iom ioo iop ios ipd ipe ipi ipm ipo ipp ips ipx is- isd ise isi ism iso isp iss ixe ixi m-o mdd mde mdi mdm mdo mdp mds mdx med mee mei mem meo mep mes mex mi- mid mie mii mim mio mip mis mix mmd mme mmi mmm mmo mmp mms mmx mod moe moi mom moo mop mos mox mpd mpe mpi mpm mpo mpp mps mpx msd mse msi msm mso msp mss msx mxd mxi mxp mxs o-i odd ode odi odm odo odp ods oed oee oei oem oeo oep oes oex oid oie oii oim oio oip ois om- omd ome omi omm omo omp oms omx oo- ood ooi oom ooo oop oos oox op- opd ope opi opm opo opp ops opx os- osd ose osi osm oso osp oss osx ox- oxi oxo oxx p-p pdd pde pdi pdm pdo pdp pds pdx ped pee pei pem peo pep pes pex pid pie pii pim pio pip pis pix pmd pme pmi pmm pmo pmp pms pmx pod poe poi pom poo pop pos pox ppd ppe ppi ppm ppo ppp pps ppx ps- psd pse psi psm pso psp pss psx pxe pxm pxs sdd sde sdi sdm sdo sdp sds se- sed see sei sem seo sep ses sex sid sie sii sim sio sip sis six smd sme smi smm smo smp sms smx sod soe soi som soo sop sos sox spd spe spi spm spo spp sps spx ss- ssd sse ssi ssm sso ssp sss ssx sxi sxm sxs xde xdi xdm xds xed xee xem xep xes xex xie xii xio xis xix xmd xmi xmm xmo xmp xms xmx xod xoi xom xoo xop xos xox xpd xpe xpm xpo xpp xps xsi xsm xsp xss xxi xxo xxp xxx