a-a a-c aaa aac aad aah aan aau ac- aca acc acd ach acn acu ad- ada adc add adh adn adu aha ahc ahd ahh ahn ahu an- ana anc and anh ann anu au- aua auc aud auh aun c-- caa cac cad cah can cau cca ccc ccd cch ccn ccu cda cdc cdd cdh cdn cdu ch- cha chc chd chh chn chu cn- cna cnc cnd cnh cnn cnu cua cuc cud cuh cun cuu daa dac dad dah dan dau dca dcc dcd dcn dcu dda ddc ddd ddh ddn ddu dh- dha dhc dhd dhh dhu dna dnc dnd dnh dnn dua duc dud duh dun haa hac had hah han hau hca hcc hcd hch hcn hda hdc hdd hdh hdn hdu hha hhc hhd hhh hhn hhu hna hnc hnd hnh hnn hnu hua huc hud huh hun huu naa nac nad nah nan nau nca ncc ncd nch ncn ncu nda ndc ndd ndh ndn ndu nha nhc nhd nhh nhn nhu nna nnc nnh nnn nnu nua nuc nud nuh nun nuu ua- uaa uac uad uah uan uau uca ucc ucd uch ucn ucu uda udc udd udn udu uha uhc uhd uhh uhu un- una unc und unh unn unu uua uuc uun uuu