a-a a-t aaa aaf aag aan aat aau af- afa aff afg afn aft afu ag- aga agf agg agn agt agu an- ana anf ang ann ant anu at- ata atf atg atn att atu au- aua auf aug aun aut faa faf fag fan fat fau ffa fff ffg ffn fft ffu fga fgf fgg fgn fgt fna fnf fng fnn fnt fnu fta ftf ftg ftn ftt ftu fua fuf fug fun fut fuu gaa gaf gag gan gat gau gfa gff gft gga ggg ggn ggt ggu gna gnf gnn gnt gnu gta gtf gtg gtn gtt gtu gu- gua guf gug gun gut guu naa naf nag nan nat nau nfa nff nfn nft nfu nga ngf ngg ngn ngt ngu nna nnf nng nnn nnt nnu nta ntf ntg ntn ntt ntu nua nug nun nut nuu taa taf tag tan tat tau tfa tff tfg tfn tft tfu tga tgf tgg tgn tgt tgu tna tnf tng tnn tnt tta ttf ttg ttn ttt ttu tua tuf tug tun tut tuu ua- uaa uaf uag uan uat uau ufa uff ufg ufn uft ufu uga ugf ugg ugn ugt ugu un- una unf ung unn unt unu uta utf utn utt utu uua uug uun uut uuu