a-a a-c aaa aac aaf aah aan aao aau ac- aca acc acf ach acn aco acu af- afa afc aff afh afn afo afu aha ahc ahf ahh ahn aho ahu an- ana anc anf anh ann ano anu aoa aoc aof aoh aon aoo aou au- aua auc auf auh aun auo c-- caa cac caf cah can cao cau cca ccc ccf cch ccn cco ccu cfa cfc cff cfh cfn cfo cfu ch- cha chc chf chh chn cho chu cn- cna cnc cnf cnh cnn cno cnu co- coa coc cof coh con coo cou cua cuc cuf cuh cun cuo cuu faa fac faf fah fan fao fau fca fcc fcf fcn fco fcu ffa ffc fff ffh ffn ffo ffu fha fhc fhf fhh fhn fho fna fnc fnf fnh fnn fnu foa foc fof foh fon foo fou fua fuf fun fuo fuu haa hac haf hah han hao hau hca hcc hcf hch hcn hco hfa hfc hff hfh hfn hfo hfu hha hhc hhf hhh hhn hho hhu hna hnc hnf hnh hnn hno hnu hoa hoc hof hoh hon hoo hou hua huc huf huh hun huo huu naa nac naf nah nan nao nau nca ncc ncf nch ncn nco ncu nfa nfc nff nfn nfo nfu nha nhc nhf nhh nhn nhu nna nnc nnf nnh nnn nno nnu no- noa noc nof noh non noo nou nua nuc nuh nun nuo nuu oaa oac oaf oah oan oao oau oc- oca occ ocf och ocn oco ocu of- ofa ofc off ofn ofo ofu oha ohc ohf ohh ohn oho ohu on- ona onc onf onh onn ono onu oo- ooa ooc oof ooh oon ooo ou- oua ouc ouf ouh oun ouo ua- uaa uac uaf uah uan uao uau uca ucc ucf uch ucn uco ucu ufa ufc uff ufh ufn ufo ufu uha uhc uhf uhh uho uhu un- una unc unf unh unn uno unu uoa uoc uon uoo uua uuc uun uuu