a-a a-c aaa aac aaf aam aan aao aau ac- aca acc acf acm acn aco acu af- afa afc aff afm afn afo afu ama amc amf amm amn amo amu an- ana anc anf anm ann ano anu aoa aoc aof aom aon aoo aou au- aua auc auf aum aun auo c-- caa cac caf cam can cao cau cca ccc ccf ccm ccn cco ccu cfa cfc cff cfm cfn cfo cfu cma cmc cmf cmm cmn cmo cmu cn- cna cnc cnf cnm cnn cno cnu co- coa coc cof com con coo cou cua cuc cuf cum cun cuo cuu faa fac faf fam fan fao fau fca fcc fcf fcm fcn fco fcu ffa ffc fff ffm ffn ffo ffu fma fmc fmf fmm fmn fmo fmu fna fnc fnf fnm fnn fnu foa foc fof fom fon foo fou fua fuf fum fun fuo fuu m-f m-o maa mac maf mam man mao mau mc- mca mcc mcf mcm mcn mco mcu mfa mfc mff mfm mfn mfo mfu mma mmc mmf mmm mmn mmo mmu mna mnc mnf mnm mnn mno mnu moa moc mof mom mon moo mou mua muc muf mum mun muu naa nac naf nam nan nao nau nca ncc ncf ncm ncn nco ncu nfa nfc nff nfn nfo nfu nma nmc nmm nmn nmo nmu nna nnc nnf nnm nnn nno nnu no- noa noc nof nom non noo nou nua nuc num nun nuo nuu oaa oac oaf oam oan oao oau oc- oca occ ocf ocm ocn oco ocu of- ofa ofc off ofm ofn ofo ofu om- oma omc omf omm omn omo omu on- ona onc onf onn ono onu oo- ooa ooc oof oom oon ooo ou- oua ouc ouf oum oun ouo ua- uaa uac uaf uam uan uao uau uca ucc ucf ucm ucn uco ucu ufa ufc uff ufm ufn ufo ufu um- uma umc umf umm umn umo umu un- una unc unf unm unn uno unu uoa uoc uom uon uoo uua uuc uum uun uuu