-er -up ddd dde ddf ddo ddp ddr ddt ddu de- ded dee def deo dep der det deu dfd dfe dff dfo dfp dfr dft dfu dod doe dof doo dop dor dot dou dpd dpe dpf dpo dpp dpr dpt dpu drd dre dro drp drr drt dru dtd dte dtf dto dtp dtr dtt dtu dud due duf duo dup dur dut ed- edd ede edf edo edp edr edt edu eed eee eef eeo eep eer eet ef- efd efe eff efo efp efr eft eo- eod eoe eof eoo eop eor eot eou ep- epd epe epf epo epp epr ept epu erd ere erf ero erp err ert eru etd ete etf eto etp etr ett etu eu- eud eue euf eup eur eut fdd fde fdf fdo fdp fdr fdt fdu fed fee fef feo fep fer fet feu ffd ffe fff ffo ffp ffr fft ffu foe fof foo fop for fot fou fpd fpe fpo fpp fpr fpt fpu frd fre frf fro frp frr frt fru ftd fte ftf fto ftp ftr ftt ftu fud fue fuf fuo fup fur fut fuu odd ode odf odo odp odr odt odu oed oee oef oeo oep oer oet of- ofd ofe off ofo ofp ofr oft ofu oo- ood oof ooo oop oor oot op- opd ope opf opo opp opr opt or- ord ore orf oro orp orr ort oru ot- otd ote otf oto otp otr ott otu ou- oud oue ouf ouo oup our out p-p pdd pde pdf pdo pdp pdr pdt pdu ped pee pef peo pep per pet peu pfd pfe pff pfo pfp pfr pft pfu pod poe pof poo pop por pot pou ppd ppe ppf ppo ppp ppr ppt ppu prd pre prf pro prp prr prt pru pt- ptd pte ptf pto ptp ptr ptt ptu pud pue puf pup pur put puu rdd rde rdf rdo rdp rdr rdt rdu re- red ree ref reo rep rer ret reu rfd rfe rff rfo rfp rfr rft rfu rod roe rof roo rop ror rot rou rpd rpe rpf rpo rpp rpr rpt rpu rrd rrf rrp rrr rrt rru rtd rte rtf rto rtp rtr rtt rtu rud rue ruf ruo rup rur rut ruu tdd tde tdf tdo tdp tdr tdt tdu te- ted tee tef teo tep ter tet teu tfd tfe tff tfo tfp tfr tft tfu to- tod toe tof too top tor tot tou tpd tpe tpf tpo tpp tpr tpt tpu trd tre trf tro trp trr trt tru ttd tte ttf tto ttp ttr ttt ttu tud tue tuf tuo tup tur tut tuu udd ude udf udo udp udr udt udu ued uee uef uep uer uet ufd ufe uff ufo ufp ufr uft ufu uod uoe uoo uop uor uot up- upd upe upf upo upp upr upt upu ur- urd ure urf uro urp urr urt uru utd ute utf uto utp utr utt utu uue uur uut uuu