a-a a-i a-t aaa aad aaf aai aap aar aat ad- ada add adf adi adp adr adt af- afa afd aff afi afp afr aft ai- aia aid aif aii aip air ait ap- apa apd apf api app apr apt ar- ara ard arf ari arp arr art at- ata atd atf ati atp atr att daa dad daf dai dap dar dat dda ddd ddf ddi ddp ddr ddt dfa dfd dff dfi dfp dfr dft di- dia did dif dii dip dir dit dpa dpd dpf dpi dpp dpr dpt dra drd dri drp drr drt dta dtd dtf dti dtp dtr dtt faa fad faf fai fap far fat fda fdd fdf fdi fdp fdr fdt ffa ffd fff ffi ffp ffr fft fia fid fif fii fip fir fit fpa fpd fpi fpp fpr fpt fra frd frf fri frp frr frt fta ftd ftf fti ftp ftr ftt i-d i-f ia- iaa iad iaf iai iap iar iat ida idd idf idi idp idr idt ifa ifd iff ifi ifp ifr ift iia iid iif iii iip iir iit ipa ipd ipf ipi ipp ipr ipt ir- ira ird irf iri irp irr irt ita itd itf iti itp itt p-p paa pad paf pai pap par pat pda pdd pdf pdi pdp pdr pdt pfa pfd pff pfi pfp pfr pft pia pid pif pii pip pir pit ppa ppd ppf ppi ppp ppr ppt pra prd prf pri prp prr prt pt- pta ptd ptf pti ptp ptr ptt ra- raa rad raf rai rap rar rat rda rdd rdf rdi rdp rdr rdt rfa rfd rff rfi rfp rfr rft ria rid rif rii rip rir rit rpa rpd rpf rpi rpp rpr rpt rra rrd rrf rri rrp rrr rrt rta rtd rtf rti rtp rtr rtt taa tad taf tai tap tar tat tda tdd tdf tdi tdp tdr tdt tfa tfd tff tfi tfp tfr tft tia tid tif tii tip tir tit tpa tpd tpf tpi tpp tpr tpt tra trd trf tri trp trr trt tta ttd ttf tti ttp ttr ttt