a-a a-i a-t aaa aad aaf aai aan aao aat ad- ada add adf adi adn ado adt af- afa afd aff afi afn afo aft ai- aia aid aif aii ain aio ait an- ana and anf ani ann ano ant aoa aod aof aoi aon aoo aot at- ata atd atf ati atn ato att daa dad daf dai dan dao dat dda ddd ddf ddi ddn ddo ddt dfa dfd dff dfi dfn dfo dft di- dia did dif dii din dio dit dna dnd dnf dni dnn dno dnt doa dod dof doi don doo dot dta dtd dtf dti dtn dto dtt faa fad faf fai fan fao fat fda fdd fdf fdi fdn fdo fdt ffa ffd fff ffi ffn ffo fft fia fid fif fii fin fit fna fnd fnf fni fnn fnt foa fof foi fon foo fot fta ftd ftf fti ftn fto ftt i-d i-f ia- iaa iad iaf iai ian iao iat ida idd idf idi idn ido idt ifa ifd iff ifi ifn ifo ift iia iid iif iii iin iio iit in- ina ind inf ini inn ino int io- ioa iod iof ioi ion ioo iot ita itd itf iti itn ito itt n-i naa nad naf nai nan nao nat nda ndd ndf ndi ndn ndo ndt nfa nfd nff nfi nfn nfo nft nia nid nif nii nin nio nit nna nnf nni nnn nno nnt no- noa nod nof noi non noo not nta ntd ntf nti ntn nto ntt o-i oaa oad oaf oai oan oao oat oda odd odf odi odn odo odt of- ofa ofd off ofi ofn ofo oft oia oid oif oii oin oio oit on- ona ond onf oni onn ono ont oo- ooa ood oof ooi oon ooo oot ot- ota otd otf oti otn oto ott taa tad taf tai tan tao tat tda tdd tdf tdi tdn tdo tdt tfa tfd tff tfi tfn tfo tft tia tid tif tii tin tio tit tna tnd tnf tni tnn tno tnt to- toa tod tof toi ton too tot tta ttd ttf tti ttn tto ttt