ddd dde ddf ddi ddp dds de- ded dee def dei dep des dev dfd dfe dff dfi dfp dfs dfv di- did die dif dii dip dis div dpd dpe dpf dpi dpp dps dpv dsd dse dsf dsi dsp dss dsv dvd dve dvi dvp dvs ed- edd ede edf edi edp eds eed eee eef eep ees eev ef- efd efe eff efi efp efs eid eie eif eii eip eis eiv ep- epd epe epf epi epp eps es- esd ese esf esi esp ess esv evd eve evf evi evp evs evv fdd fde fdf fdi fdp fds fed fee fef fei fep fes fev ffd ffe fff ffi ffp ffs ffv fid fie fif fii fip fis fpd fpe fpi fpp fps fpv fsd fse fsf fsi fsp fss fsv fvd fvp i-d i-f i-v idd ide idf idi idp ids idv ie- ied iee ief iei iep ies iev ifd ife iff ifi ifp ifs iid iie iif iii iip iis ipd ipe ipf ipi ipp ips ipv is- isd ise isf isi isp iss isv ivd ive ivf ivi ivp ivs ivv p-p pdd pde pdf pdi pdp pds pdv ped pee pef pei pep pes pev pfd pfe pff pfi pfp pfs pfv pid pie pif pii pip pis piv ppd ppe ppf ppi ppp pps ppv ps- psd pse psf psi psp pss psv pvd pve pvf pvi pvp pvs pvv sdd sde sdf sdi sdp sds sdv se- sed see sef sei sep ses sev sfd sfe sff sfi sfp sfs sfv sid sie sif sii sip sis siv spd spe spf spi spp sps spv ss- ssd sse ssf ssi ssp sss ssv svd sve svf svi svp svs svv v-e vdd vde vdf vdi vdp vds vdv ved vee vef vei vep ves vfd vff vfi vfp vfs vfv vi- vid vie vif vii vip vis viv vpd vpe vpf vpi vpp vps vsd vse vsf vsi vsp vss vsv vvi vvs vvv