ddd dde ddf ddm ddo ddp ddt de- ded dee def dem deo dep det dfd dfe dff dfm dfo dfp dft dmd dme dmf dmm dmo dmp dmt dod doe dof dom doo dop dot dpd dpe dpf dpm dpo dpp dpt dtd dte dtf dtm dto dtp dtt ed- edd ede edf edm edo edp edt eed eee eef eem eeo eep eet ef- efd efe eff efm efo efp eft em- emd eme emf emm emo emp emt eo- eod eoe eof eom eoo eop eot ep- epd epe epf epm epo epp ept etd ete etf etm eto etp ett fdd fde fdf fdm fdo fdp fdt fed fee fef fem feo fep fet ffd ffe fff ffm ffo ffp fft fmd fme fmf fmm fmo fmp fmt foe fof fom foo fop fot fpd fpe fpm fpo fpp fpt ftd fte ftf ftm fto ftp ftt m-f m-o mdd mde mdf mdm mdo mdp mdt med mee mef mem meo mep met mfd mfe mff mfm mfo mfp mft mmd mme mmf mmm mmo mmp mmt mod moe mof mom moo mop mot mpd mpe mpf mpm mpo mpp mpt mtd mte mtf mtm mto mtp mtt odd ode odf odm odo odp odt oed oee oef oem oeo oep oet of- ofd ofe off ofm ofo ofp oft om- omd ome omf omm omo omp omt oo- ood oof oom ooo oop oot op- opd ope opf opm opo opp opt ot- otd ote otf otm oto otp ott p-p pdd pde pdf pdm pdo pdp pdt ped pee pef pem peo pep pet pfd pfe pff pfm pfo pfp pft pmd pme pmf pmm pmo pmp pmt pod poe pof pom poo pop pot ppd ppe ppf ppm ppo ppp ppt pt- ptd pte ptf ptm pto ptp ptt tdd tde tdf tdm tdo tdp tdt te- ted tee tef tem teo tep tet tfd tfe tff tfm tfo tfp tft tmd tme tmf tmm tmo tmp tmt to- tod toe tof tom too top tot tpd tpe tpf tpm tpo tpp tpt ttd tte ttf ttm tto ttp ttt