a-a a-c aaa aac aaf aak aam aan aar ac- aca acc acf ack acm acn acr af- afa afc aff afk afm afn afr aka akc akk akm akn akr ama amc amf amk amm amn amr an- ana anc anf ank anm ann anr ar- ara arc arf ark arm arn arr c-- caa cac caf cak cam can car cca ccc ccf cck ccm ccn ccr cfa cfc cff cfk cfm cfn cfr cka ckc ckm cma cmc cmf cmk cmm cmn cmr cn- cna cnc cnf cnm cnn cnr cra crc crf crk crm crn crr faa fac faf fak fam fan far fca fcc fcf fck fcm fcn fcr ffa ffc fff ffk ffm ffn ffr fka fkc fkf fkk fkm fma fmc fmf fmm fmn fmr fna fnc fnf fnk fnm fnn fnr fra frc frf frk frm frn frr ka- kaa kac kaf kak kam kan kar kca kcc kck kcm kcn kcr kfa kfc kff kfm kkc kkk kkm kkn kkr kma kmc kmf kmk kmm kn- kna knc knf knk knm knn knr kra krc krf krk krn krr m-f m-r maa mac maf mak mam man mar mc- mca mcc mcf mck mcm mcn mcr mfa mfc mff mfm mfn mfr mka mkc mkk mkm mkn mkr mma mmc mmf mmk mmm mmn mmr mna mnc mnf mnk mnm mnn mnr mra mrc mrf mrk mrm mrn mrr naa nac naf nak nam nan nar nca ncc ncf nck ncm ncn ncr nfa nfc nff nfk nfn nfr nka nkc nkf nkk nkm nkn nkr nma nmc nmk nmm nmn nmr nna nnc nnf nnk nnm nnn nra nrc nrf nrk nrm nrn nrr ra- raa rac raf rak ram ran rar rca rcc rcf rcm rcn rcr rfa rfc rff rfk rfm rfn rfr rkc rkf rkk rkm rma rmc rmf rmm rmn rmr rna rnc rnm rnn rnr rra rrc rrf rrk rrm rrn rrr