-up ddd ddf ddi ddp ddr ddt ddu dfd dff dfi dfp dfr dft dfu di- did dif dii dip dir dit diu dpd dpf dpi dpp dpr dpt dpu drd dri drp drr drt dru dtd dtf dti dtp dtr dtt dtu dud duf dui dup dur dut fdd fdf fdi fdp fdr fdt fdu ffd fff ffi ffp ffr fft ffu fid fif fii fip fir fit fiu fpd fpi fpp fpr fpt fpu frd frf fri frp frr frt fru ftd ftf fti ftp ftr ftt ftu fud fuf fui fup fur fut fuu i-d i-f idd idf idi idp idr idt idu ifd iff ifi ifp ifr ift ifu iid iif iii iip iir iit iiu ipd ipf ipi ipp ipr ipt ipu ir- ird irf iri irp irr irt iru itd itf iti itp itt itu iu- iud iui iup iur iut p-p pdd pdf pdi pdp pdr pdt pdu pfd pff pfi pfp pfr pft pfu pid pif pii pip pir pit piu ppd ppf ppi ppp ppr ppt ppu prd prf pri prp prr prt pru pt- ptd ptf pti ptp ptr ptt ptu pud puf pui pup pur put puu rdd rdf rdi rdp rdr rdt rdu rfd rff rfi rfp rfr rft rfu rid rif rii rip rir rit rpd rpf rpi rpp rpr rpt rpu rrd rrf rri rrp rrr rrt rru rtd rtf rti rtp rtr rtt rtu rud ruf rui rup rur rut ruu tdd tdf tdi tdp tdr tdt tdu tfd tff tfi tfp tfr tft tfu tid tif tii tip tir tit tiu tpd tpf tpi tpp tpr tpt tpu trd trf tri trp trr trt tru ttd ttf tti ttp ttr ttt ttu tud tuf tui tup tur tut tuu udd udf udi udp udr udt udu ufd uff ufi ufp ufr uft ufu uid uif uii uip uir uit uiu up- upd upf upi upp upr upt upu ur- urd urf uri urp urr urt uru utd utf uti utp utr utt utu uur uut uuu