a-a a-b a-i a-t aaa aab aad aae aaf aai aap aat ab- aba abb abd abe abf abi abp abt ad- ada adb add ade adf adi adp adt aea aeb aed aee aef aei aep aet af- afa afb afd afe aff afi afp aft ai- aia aib aid aie aif aii aip ait ap- apa apb apd ape apf api app apt at- ata atb atd ate atf ati atp att b-p baa bab bad bae baf bai bap bat bba bbb bbd bbe bbf bbi bbp bbt bda bdb bdd bde bdf bdi bdp bdt be- bea beb bed bee bef bei bep bet bfa bfb bfd bfe bff bfi bfp bft bi- bia bib bid bie bif bii bip bit bpa bpb bpd bpe bpf bpi bpp bpt bta btb btd bte btf bti btp btt daa dab dad dae daf dai dap dat dba dbb dbd dbe dbf dbi dbp dbt dda ddb ddd dde ddf ddi ddp ddt de- dea deb ded dee def dei dep det dfa dfb dfd dfe dff dfi dfp dft di- dia dib did die dif dii dip dit dpa dpb dpd dpe dpf dpi dpp dpt dta dtb dtd dte dtf dti dtp dtt eaa eab ead eae eaf eai eap eat eba ebb ebd ebe ebf ebi ebp ebt ed- eda edb edd ede edf edi edp edt eea eeb eed eee eef eep eet ef- efa efb efd efe eff efi efp eft eia eib eid eie eif eii eip eit ep- epa epb epd epe epf epi epp ept eta etb etd ete etf eti etp ett faa fab fad fae faf fai fap fat fba fbb fbd fbe fbf fbi fbp fbt fda fdb fdd fde fdf fdi fdp fdt fea feb fed fee fef fei fep fet ffa ffd ffe fff ffi ffp fft fia fib fid fie fif fii fip fit fpa fpb fpd fpe fpi fpp fpt fta ftb ftd fte ftf fti ftp ftt i-d i-f ia- iaa iab iad iae iaf iai iap iat iba ibb ibd ibe ibf ibi ibp ibt ida idb idd ide idf idi idp idt ie- iea ied iee ief iei iep iet ifa ifb ifd ife iff ifi ifp ift iia iib iid iie iif iii iip iit ipa ipb ipd ipe ipf ipi ipp ipt ita itb itd ite itf iti itp itt p-p paa pab pad pae paf pai pap pat pba pbb pbd pbe pbf pbi pbp pbt pda pdb pdd pde pdf pdi pdp pdt pea peb ped pee pef pei pep pet pfa pfb pfd pfe pff pfi pfp pft pia pib pid pie pif pii pip pit ppa ppb ppd ppe ppf ppi ppp ppt pt- pta ptb ptd pte ptf pti ptp ptt taa tab tad tae taf tai tap tat tba tbb tbd tbe tbf tbi tbp tbt tda tdb tdd tde tdf tdi tdp tdt te- tea teb ted tee tef tei tep tet tfa tfb tfd tfe tff tfi tfp tft tia tib tid tie tif tii tip tit tpa tpb tpd tpe tpf tpi tpp tpt tta ttb ttd tte ttf tti ttp ttt