a-a a-c aaa aac aaf aag aam aan aao aar aau ac- aca acc acf acg acm acn aco acr acu af- afa afc aff afg afm afn afo afr afu ag- aga agc agf agg agm agn ago agr agu ama amc amf amg amm amn amo amr amu an- ana anc anf ang anm ann ano anr anu aoa aoc aof aog aom aon aoo aor aou ar- ara arc arf arg arm arn aro arr aru au- aua auc auf aug aum aun auo aur c-- caa cac caf cag cam can cao car cau cca ccc ccf ccg ccm ccn cco ccr ccu cfa cfc cff cfg cfm cfn cfo cfr cfu cga cgc cgg cgm cgn cgo cgr cgu cma cmc cmf cmg cmm cmn cmo cmr cmu cn- cna cnc cnf cng cnm cnn cno cnr cnu co- coa coc cof cog com con coo cor cou cra crc crf crg crm crn cro crr cru cua cuc cuf cug cum cun cuo cur cuu faa fac faf fag fam fan fao far fau fca fcc fcf fcg fcm fcn fco fcr fcu ffa ffc fff ffg ffm ffn ffo ffr ffu fga fgc fgf fgg fgm fgn fgr fma fmc fmf fmg fmm fmn fmo fmr fmu fna fnc fnf fng fnm fnn fnr fnu foa foc fof fog fom fon foo for fou fra frc frf frg frm frn fro frr fru fua fuf fug fum fun fuo fur fuu gaa gac gaf gag gam gan gao gar gau gca gcc gcf gcg gcm gcn gco gcr gcu gfa gfc gff gfm gfo gfr gga ggc ggg ggm ggn ggo ggr ggu gma gmc gmf gmg gmm gmn gmo gmr gna gnc gnf gnm gnn gno gnr gnu goa goc gof gog gom gon goo gor gou gra grc grf grg grm grn gro grr gru gu- gua guc guf gug gum gun guo gur guu m-f m-o m-r maa mac maf mag mam man mao mar mau mc- mca mcc mcf mcg mcm mcn mco mcr mcu mfa mfc mff mfg mfm mfn mfo mfr mfu mga mgc mgf mgm mgn mgo mgr mgu mma mmc mmf mmg mmm mmn mmo mmr mmu mna mnc mnf mng mnm mnn mno mnr mnu moa moc mof mog mom mon moo mor mou mra mrc mrf mrg mrm mrn mro mrr mru mua muc muf mug mum mun mur muu naa nac naf nag nam nan nao nar nau nca ncc ncf ncg ncm ncn nco ncr ncu nfa nfc nff nfn nfo nfr nfu nga ngc ngf ngg ngm ngn ngo ngu nma nmc nmg nmm nmn nmo nmr nmu nna nnc nnf nng nnm nnn nno nnu no- noa noc nof nog nom non noo nor nou nra nrc nrf nrg nrm nrn nro nrr nru nua nuc nug num nun nuo nur nuu oaa oac oaf oag oam oan oao oar oau oc- oca occ ocf ocg ocm ocn oco ocr ocu of- ofa ofc off ofg ofm ofn ofo ofr ofu oga ogc ogf ogg ogn ogo om- oma omc omf omg omm omn omo omr omu on- ona onc onf ong onn ono onr onu oo- ooa ooc oof oog oom oon ooo oor or- ora orc orf org orm orn oro orr oru ou- oua ouc ouf oum oun ouo our ra- raa rac raf rag ram ran rao rar rau rca rcc rcf rcg rcm rcn rco rcr rcu rfa rfc rff rfg rfm rfn rfo rfr rfu rga rgc rgf rgg rgn rgo rgr rma rmc rmf rmg rmm rmn rmo rmr rna rnc rng rnm rnn rno rnr rnu roa roc rof rog rom ron roo ror rou rra rrc rrf rrg rrm rrn rrr rru rua ruc ruf rug rum run ruo rur ruu ua- uaa uac uaf uag uam uan uao uar uau uca ucc ucf ucg ucm ucn uco ucr ucu ufa ufc uff ufg ufm ufn ufo ufr ufu uga ugc ugf ugg ugm ugn ugo ugr ugu um- uma umc umf umg umm umn umo umr umu un- una unc unf ung unm unn uno unr unu uoa uoc uog uom uon uoo uor ur- ura urc urf urg urm urn uro urr uru uua uuc uug uum uun uur uuu