-er -up ddd dde ddf ddi ddp ddr ddt ddu de- ded dee def dei dep der det deu dfd dfe dff dfi dfp dfr dft dfu di- did die dif dii dip dir dit diu dpd dpe dpf dpi dpp dpr dpt dpu drd dre dri drp drr drt dru dtd dte dtf dti dtp dtr dtt dtu dud due duf dui dup dur dut ed- edd ede edf edi edp edr edt edu eed eee eef eep eer eet ef- efd efe eff efi efp efr eft eid eie eif eii eip eir eit eiu ep- epd epe epf epi epp epr ept epu erd ere erf eri erp err ert eru etd ete etf eti etp etr ett etu eu- eud eue euf eui eup eur eut fdd fde fdf fdi fdp fdr fdt fdu fed fee fef fei fep fer fet feu ffd ffe fff ffi ffp ffr fft ffu fid fie fif fii fip fir fit fiu fpd fpe fpi fpp fpr fpt fpu frd fre frf fri frp frr frt fru ftd fte ftf fti ftp ftr ftt ftu fud fue fuf fui fup fur fut fuu i-d i-f idd ide idf idi idp idr idt idu ie- ied iee ief iei iep ier iet ifd ife iff ifi ifp ifr ift ifu iid iie iif iii iip iir iit iiu ipd ipe ipf ipi ipp ipr ipt ipu ir- ird ire irf iri irp irr irt iru itd ite itf iti itp itt itu iu- iud iue iui iup iur iut p-p pdd pde pdf pdi pdp pdr pdt pdu ped pee pef pei pep per pet peu pfd pfe pff pfi pfp pfr pft pfu pid pie pif pii pip pir pit piu ppd ppe ppf ppi ppp ppr ppt ppu prd pre prf pri prp prr prt pru pt- ptd pte ptf pti ptp ptr ptt ptu pud pue puf pui pup pur put puu rdd rde rdf rdi rdp rdr rdt rdu re- red ree ref rei rep rer ret reu rfd rfe rff rfi rfp rfr rft rfu rid rie rif rii rip rir rit rpd rpe rpf rpi rpp rpr rpt rpu rrd rrf rri rrp rrr rrt rru rtd rte rtf rti rtp rtr rtt rtu rud rue ruf rui rup rur rut ruu tdd tde tdf tdi tdp tdr tdt tdu te- ted tee tef tei tep ter tet teu tfd tfe tff tfi tfp tfr tft tfu tid tie tif tii tip tir tit tiu tpd tpe tpf tpi tpp tpr tpt tpu trd tre trf tri trp trr trt tru ttd tte ttf tti ttp ttr ttt ttu tud tue tuf tui tup tur tut tuu udd ude udf udi udp udr udt udu ued uee uef uei uep uer uet ufd ufe uff ufi ufp ufr uft ufu uid uie uif uii uip uir uit uiu up- upd upe upf upi upp upr upt upu ur- urd ure urf uri urp urr urt uru utd ute utf uti utp utr utt utu uue uur uut uuu