-up ddd dde ddf ddn ddo ddp dds ddt ddu de- ded dee def den deo dep des det deu dfd dfe dff dfn dfo dfp dfs dft dfu dnd dne dnf dnn dno dnp dns dnt dod doe dof don doo dop dos dot dou dpd dpe dpf dpn dpo dpp dps dpt dpu dsd dse dsf dsn dso dsp dss dst dsu dtd dte dtf dtn dto dtp dts dtt dtu dud due duf dun duo dup dus dut ed- edd ede edf edn edo edp eds edt edu eed eee eef een eeo eep ees eet ef- efd efe eff efo efp efs eft en- end ene enf enn eno enp ens ent enu eo- eod eoe eof eon eoo eop eos eot eou ep- epd epe epf epn epo epp eps ept epu es- esd ese esf esn eso esp ess est esu etd ete etf etn eto etp ets ett etu eu- eud eue euf eun eup eus eut fdd fde fdf fdn fdo fdp fds fdt fdu fed fee fef fen feo fep fes fet feu ffd ffe fff ffn ffo ffp ffs fft ffu fnd fne fnf fnn fnp fns fnt fnu foe fof fon foo fop fos fot fou fpd fpe fpn fpo fpp fps fpt fpu fsd fse fsf fsn fso fsp fss fst fsu ftd fte ftf ftn fto ftp fts ftt ftu fud fue fuf fun fuo fup fus fut fuu ndd nde ndf ndn ndo ndp nds ndt ndu ne- ned nee nef nen neo nep nes net neu nfd nfe nff nfn nfo nfp nfs nft nfu nne nnf nnn nno nnp nns nnt nnu no- nod noe nof non noo nop nos not nou npd npe npf npn npo npp nps npt npu nsd nse nsf nsn nso nsp nss nst nsu ntd nte ntf ntn nto ntp nts ntt ntu nud nue nun nuo nup nus nut nuu odd ode odf odn odo odp ods odt odu oed oee oef oen oeo oep oes oet of- ofd ofe off ofn ofo ofp ofs oft ofu on- ond one onf onn ono onp ons ont onu oo- ood oof oon ooo oop oos oot op- opd ope opf opn opo opp ops opt os- osd ose osf osn oso osp oss ost osu ot- otd ote otf otn oto otp ots ott otu ou- oud oue ouf oun ouo oup ous out p-p pdd pde pdf pdn pdo pdp pds pdt pdu ped pee pef pen peo pep pes pet peu pfd pfe pff pfn pfo pfp pfs pft pfu pn- pnd pne pnf pnn pno pnp pns pnt pnu pod poe pof pon poo pop pos pot pou ppd ppe ppf ppn ppo ppp pps ppt ppu ps- psd pse psf psn pso psp pss pst psu pt- ptd pte ptf ptn pto ptp pts ptt ptu pud pue puf pun pup pus put puu sdd sde sdf sdn sdo sdp sds sdt sdu se- sed see sef sen seo sep ses set seu sfd sfe sff sfn sfo sfp sfs sft sfu snd sne snf snn sno snp sns snt snu sod soe sof son soo sop sos sot sou spd spe spf spn spo spp sps spt spu ss- ssd sse ssf ssn sso ssp sss sst ssu std ste stf stn sto stp sts stt stu sud sue suf sun suo sup sus sut suu tdd tde tdf tdn tdo tdp tds tdt tdu te- ted tee tef ten teo tep tes tet teu tfd tfe tff tfn tfo tfp tfs tft tfu tnd tne tnf tnn tno tnp tns tnt to- tod toe tof ton too top tos tot tou tpd tpe tpf tpn tpo tpp tps tpt tpu tsd tse tsf tsn tso tsp tss tst tsu ttd tte ttf ttn tto ttp tts ttt ttu tud tue tuf tun tuo tup tus tut tuu udd ude udf udn udo udp uds udt udu ued uee uef uen uep ues uet ufd ufe uff ufn ufo ufp ufs uft ufu un- und une unf unn uno unp uns unt unu uod uoe uon uoo uop uos uot up- upd upe upf upn upo upp ups upt upu usd use usf usn uso usp uss ust usu utd ute utf utn uto utp uts utt utu uue uun uus uut uuu