a-a a-c aaa aac aag aam aan aar aau ac- aca acc acg acm acn acr acu ag- aga agc agg agm agn agr agu ama amc amg amm amn amr amu an- ana anc ang anm ann anr anu ar- ara arc arg arm arn arr aru au- aua auc aug aum aun aur c-- caa cac cag cam can car cau cca ccc ccg ccm ccn ccr ccu cga cgc cgg cgm cgn cgr cgu cma cmc cmg cmm cmn cmr cmu cn- cna cnc cng cnm cnn cnr cnu cra crc crg crm crn crr cru cua cuc cug cum cun cur cuu gaa gac gag gam gan gar gau gca gcc gcg gcm gcn gcr gcu gga ggc ggg ggm ggn ggr ggu gma gmc gmg gmm gmn gmr gna gnc gnm gnn gnr gnu gra grc grg grm grn grr gru gu- gua guc gug gum gun gur guu m-r maa mac mag mam man mar mau mc- mca mcc mcg mcm mcn mcr mcu mga mgc mgm mgn mgr mgu mma mmc mmg mmm mmn mmr mmu mna mnc mng mnm mnn mnr mnu mra mrc mrg mrm mrn mrr mru mua muc mug mum mun mur muu naa nac nag nam nan nar nau nca ncc ncg ncm ncn ncr ncu nga ngc ngg ngm ngn ngu nma nmc nmg nmm nmn nmr nmu nna nnc nng nnm nnn nnu nra nrc nrg nrm nrn nrr nru nua nuc nug num nun nur nuu ra- raa rac rag ram ran rar rau rca rcc rcg rcm rcn rcr rcu rga rgc rgg rgn rgr rma rmc rmg rmm rmn rmr rna rnc rng rnm rnn rnr rnu rra rrc rrg rrm rrn rrr rru rua ruc rug rum run rur ruu ua- uaa uac uag uam uan uar uau uca ucc ucg ucm ucn ucr ucu uga ugc ugg ugm ugn ugr ugu um- uma umc umg umm umn umr umu un- una unc ung unm unn unr unu ur- ura urc urg urm urn urr uru uua uuc uug uum uun uur uuu