a-a a-c aaa aac aah aao aau aav ac- aca acc ach aco acu acv aha ahc ahh aho ahu ahv aoa aoc aoh aoo aou aov au- aua auc auh auo auv av- ava avc avh avo avu c-- caa cac cah cao cau cav cca ccc cch cco ccu ccv ch- cha chc chh cho chu chv co- coa coc coh coo cou cov cua cuc cuh cuo cuu cuv cva cvc cvh cvo cvu cvv haa hac hah hao hau hav hca hcc hch hco hcv hha hhc hhh hho hhu hhv hoa hoc hoh hoo hou hov hua huc huh huo huu huv hv- hva hvc hvo hvv oaa oac oah oao oau oav oc- oca occ och oco ocu ocv oha ohc ohh oho ohu oo- ooa ooc ooh ooo oov ou- oua ouc ouh ouo ov- ova ovc ovh ovo ovv ua- uaa uac uah uao uau uav uca ucc uch uco ucu ucv uha uhc uhh uho uhu uhv uoa uoc uoo uua uuc uuu uva uvc uvo uvu uvv v-a vaa vac vah vao vau vav vca vcc vch vco vcu vh- vha vhc vho voa voc voh voo vou vov vuv vva vvc vvo vvv