a-a a-c aaa aac aaf aam aan aar aau ac- aca acc acf acm acn acr acu af- afa afc aff afm afn afr afu ama amc amf amm amn amr amu an- ana anc anf anm ann anr anu ar- ara arc arf arm arn arr aru au- aua auc auf aum aun aur c-- caa cac caf cam can car cau cca ccc ccf ccm ccn ccr ccu cfa cfc cff cfm cfn cfr cfu cma cmc cmf cmm cmn cmr cmu cn- cna cnc cnf cnm cnn cnr cnu cra crc crf crm crn crr cru cua cuc cuf cum cun cur cuu faa fac faf fam fan far fau fca fcc fcf fcm fcn fcr fcu ffa ffc fff ffm ffn ffr ffu fma fmc fmf fmm fmn fmr fmu fna fnc fnf fnm fnn fnr fnu fra frc frf frm frn frr fru fua fuf fum fun fur fuu m-f m-r maa mac maf mam man mar mau mc- mca mcc mcf mcm mcn mcr mcu mfa mfc mff mfm mfn mfr mfu mma mmc mmf mmm mmn mmr mmu mna mnc mnf mnm mnn mnr mnu mra mrc mrf mrm mrn mrr mru mua muc muf mum mun mur muu naa nac naf nam nan nar nau nca ncc ncf ncm ncn ncr ncu nfa nfc nff nfn nfr nfu nma nmc nmm nmn nmr nmu nna nnc nnf nnm nnn nnu nra nrc nrf nrm nrn nrr nru nua nuc num nun nur nuu ra- raa rac raf ram ran rar rau rca rcc rcf rcm rcn rcr rcu rfa rfc rff rfm rfn rfr rfu rma rmc rmf rmm rmn rmr rna rnc rnm rnn rnr rnu rra rrc rrf rrm rrn rrr rru rua ruc ruf rum run rur ruu ua- uaa uac uaf uam uan uar uau uca ucc ucf ucm ucn ucr ucu ufa ufc uff ufm ufn ufr ufu um- uma umc umf umm umn umr umu un- una unc unf unm unn unr unu ur- ura urc urf urm urn urr uru uua uuc uum uun uur uuu