a-a aaa aaf aak aam aar aau af- afa aff afk afm afr afu aka akk akm akr aku ama amf amk amm amr amu ar- ara arf ark arm arr aru au- aua auf auk aum aur faa faf fak fam far fau ffa fff ffk ffm ffr ffu fka fkf fkk fkm fma fmf fmm fmr fmu fra frf frk frm frr fru fua fuf fuk fum fur fuu ka- kaa kaf kak kam kar kau kfa kff kfm kfu kkk kkm kkr kku kma kmf kmk kmm kmu kra krf krk krr kru kuk kum kur kuu m-f m-r maa maf mak mam mar mau mfa mff mfm mfr mfu mka mkk mkm mkr mku mma mmf mmk mmm mmr mmu mra mrf mrk mrm mrr mru mua muf muk mum mur muu ra- raa raf rak ram rar rau rfa rff rfk rfm rfr rfu rkf rkk rkm rku rma rmf rmm rmr rra rrf rrk rrm rrr rru rua ruf ruk rum rur ruu ua- uaa uaf uak uam uar uau ufa uff ufm ufr ufu uka ukf ukk ukr uku um- uma umf umm umr umu ur- ura urf urk urm urr uru uua uum uur uuu