a-a a-b aaa aab aah aan aar aau aav ab- aba abb abh abn abr abu abv aha ahb ahh ahn ahr ahu ahv an- ana anb anh ann anr anu anv ar- ara arb arh arn arr aru arv au- aua aub auh aun aur auv av- ava avb avh avn avr avu b-u baa bab bah ban bar bau bav bba bbb bbh bbn bbr bbu bha bhb bhh bhr bhu bhv bna bnb bnn bnr bnu bnv bra brb brh brn brr bru brv bua bub buh bun bur buu bva bvb bvh bvn bvr bvu bvv haa hab hah han har hau hav hba hbb hbh hbn hbr hbu hbv hha hhb hhh hhn hhr hhu hhv hna hnb hnh hnn hnu hnv hr- hra hrb hrh hrn hrr hru hrv hua hub huh hun hur huu huv hv- hva hvb hvn hvr hvv naa nab nah nan nar nau nav nba nbb nbn nbr nbu nbv nha nhb nhh nhn nhr nhu nhv nna nnb nnh nnn nnu nnv nra nrb nrn nrr nru nrv nua nub nuh nun nur nuu nuv nva nvb nvh nvn nvu nvv ra- raa rab rah ran rar rau rav rba rbb rbh rbn rbr rbu rh- rha rhb rhh rhn rhr rhu rhv rna rnb rnh rnn rnr rnu rnv rra rrb rrh rrn rrr rru rua rub ruh run rur ruu ruv rva rvb rvh rvn rvr rvu rvv ua- uaa uab uah uan uar uau uav uba ubb ubh ubn ubr ubu ubv uha uhb uhh uhr uhu uhv un- una unb unh unn unr unu unv ur- ura urb urn urr uru uua uun uur uuu uva uvb uvu uvv v-a vaa vab vah van var vau vav vba vbh vbr vbv vh- vha vhb vn- vna vnr vnu vnv vra vrb vrh vrn vrr vru vur vuv vva vvb vvr vvv