a-a a-b a-i aaa aab aai aan aau aav ab- aba abb abi abn abu abv ai- aia aib aii ain aiu aiv an- ana anb ani ann anu anv au- aua aub aui aun auv av- ava avb avi avn avu b-u baa bab bai ban bau bav bba bbb bbi bbn bbu bi- bia bib bii bin biu biv bna bnb bni bnn bnu bnv bua bub bui bun buu bva bvb bvi bvn bvu bvv i-v ia- iaa iab iai ian iau iav iba ibb ibi ibn ibu ibv iia iib iii iin iiu in- ina inb ini inn inu inv iu- iua iub iui iva ivb ivi ivu ivv n-i naa nab nai nan nau nav nba nbb nbi nbn nbu nbv nia nib nii nin niu niv nna nnb nni nnn nnu nnv nua nub nui nun nuu nuv nva nvb nvi nvn nvu nvv ua- uaa uab uai uan uau uav uba ubb ubi ubn ubu ubv uia uib uii uin uiu un- una unb uni unn unu unv uua uun uuu uva uvb uvu uvv v-a vaa vab vai van vau vav vba vbi vbv vi- via vib vii vin viu viv vn- vna vni vnu vnv vuv vva vvb vvi vvv