a-a a-t aaa aaf aag aam aan aao aar aat af- afa aff afg afm afn afo afr aft ag- aga agf agg agm agn ago agr agt ama amf amg amm amn amo amr amt an- ana anf ang anm ann ano anr ant aoa aof aog aom aon aoo aor aot ar- ara arf arg arm arn aro arr art at- ata atf atg atm atn ato atr att faa faf fag fam fan fao far fat ffa fff ffg ffm ffn ffo ffr fft fga fgf fgg fgm fgn fgr fgt fma fmf fmg fmm fmn fmo fmr fmt fna fnf fng fnm fnn fnr fnt foa fof fog fom fon foo for fot fra frf frg frm frn fro frr frt fta ftf ftg ftm ftn fto ftr ftt gaa gaf gag gam gan gao gar gat gfa gff gfm gfo gfr gft gga ggg ggm ggn ggo ggr ggt gma gmf gmg gmm gmn gmo gmr gmt gna gnf gnm gnn gno gnr gnt goa gof gog gom gon goo gor got gra grf grg grm grn gro grr grt gta gtf gtg gtm gtn gto gtr gtt m-f m-o m-r maa maf mag mam man mao mar mat mfa mff mfg mfm mfn mfo mfr mft mga mgf mgm mgn mgo mgr mgt mma mmf mmg mmm mmn mmo mmr mmt mna mnf mng mnm mnn mno mnr mnt moa mof mog mom mon moo mor mot mra mrf mrg mrm mrn mro mrr mrt mta mtf mtg mtm mtn mto mtr mtt naa naf nag nam nan nao nar nat nfa nff nfn nfo nfr nft nga ngf ngg ngm ngn ngo ngt nma nmg nmm nmn nmo nmr nmt nna nnf nng nnm nnn nno nnt no- noa nof nog nom non noo nor not nra nrf nrg nrm nrn nro nrr nrt nta ntf ntg ntm ntn nto ntr ntt oaa oaf oag oam oan oao oar oat of- ofa off ofg ofm ofn ofo ofr oft oga ogf ogg ogn ogo ogt om- oma omf omg omm omn omo omr omt on- ona onf ong onn ono onr ont oo- ooa oof oog oom oon ooo oor oot or- ora orf org orm orn oro orr ort ot- ota otf otg otm otn oto otr ott ra- raa raf rag ram ran rao rar rat rfa rff rfg rfm rfn rfo rfr rft rga rgf rgg rgn rgo rgr rgt rma rmf rmg rmm rmn rmo rmr rmt rna rng rnm rnn rno rnr rnt roa rof rog rom ron roo ror rot rra rrf rrg rrm rrn rrr rrt rta rtf rtg rtm rtn rto rtr rtt taa taf tag tam tan tao tar tat tfa tff tfg tfm tfn tfo tfr tft tga tgf tgg tgm tgn tgo tgr tgt tma tmf tmg tmm tmn tmo tmr tmt tna tnf tng tnm tnn tno tnr tnt to- toa tof tog tom ton too tor tot tra trf trg trm trn tro trr trt tta ttf ttg ttm ttn tto ttr ttt