a-a a-t aaa aaf aag aan aao aar aat aau af- afa aff afg afn afo afr aft afu ag- aga agf agg agn ago agr agt agu an- ana anf ang ann ano anr ant anu aoa aof aog aon aoo aor aot aou ar- ara arf arg arn aro arr art aru at- ata atf atg atn ato atr att atu au- aua auf aug aun auo aur aut faa faf fag fan fao far fat fau ffa fff ffg ffn ffo ffr fft ffu fga fgf fgg fgn fgr fgt fna fnf fng fnn fnr fnt fnu foa fof fog fon foo for fot fou fra frf frg frn fro frr frt fru fta ftf ftg ftn fto ftr ftt ftu fua fuf fug fun fuo fur fut fuu gaa gaf gag gan gao gar gat gau gfa gff gfo gfr gft gga ggg ggn ggo ggr ggt ggu gna gnf gnn gno gnr gnt gnu goa gof gog gon goo gor got gou gra grf grg grn gro grr grt gru gta gtf gtg gtn gto gtr gtt gtu gu- gua guf gug gun guo gur gut guu naa naf nag nan nao nar nat nau nfa nff nfn nfo nfr nft nfu nga ngf ngg ngn ngo ngt ngu nna nnf nng nnn nno nnt nnu no- noa nof nog non noo nor not nou nra nrf nrg nrn nro nrr nrt nru nta ntf ntg ntn nto ntr ntt ntu nua nug nun nuo nur nut nuu oaa oaf oag oan oao oar oat oau of- ofa off ofg ofn ofo ofr oft ofu oga ogf ogg ogn ogo ogt on- ona onf ong onn ono onr ont onu oo- ooa oof oog oon ooo oor oot or- ora orf org orn oro orr ort oru ot- ota otf otg otn oto otr ott otu ou- oua ouf oun ouo our out ra- raa raf rag ran rao rar rat rau rfa rff rfg rfn rfo rfr rft rfu rga rgf rgg rgn rgo rgr rgt rna rng rnn rno rnr rnt rnu roa rof rog ron roo ror rot rou rra rrf rrg rrn rrr rrt rru rta rtf rtg rtn rto rtr rtt rtu rua ruf rug run ruo rur rut ruu taa taf tag tan tao tar tat tau tfa tff tfg tfn tfo tfr tft tfu tga tgf tgg tgn tgo tgr tgt tgu tna tnf tng tnn tno tnr tnt to- toa tof tog ton too tor tot tou tra trf trg trn tro trr trt tru tta ttf ttg ttn tto ttr ttt ttu tua tuf tug tun tuo tur tut tuu ua- uaa uaf uag uan uao uar uat uau ufa uff ufg ufn ufo ufr uft ufu uga ugf ugg ugn ugo ugr ugt ugu un- una unf ung unn uno unr unt unu uoa uog uon uoo uor uot ur- ura urf urg urn uro urr urt uru uta utf utn uto utr utt utu uua uug uun uur uut uuu