a-a a-b aaa aab aah aan aar aas aau aav ab- aba abb abh abn abr abs abu abv aha ahb ahh ahn ahr ahs ahu ahv an- ana anb anh ann anr ans anu anv ar- ara arb arh arn arr ars aru arv as- asa asb ash asn asr ass asu asv au- aua aub auh aun aur aus auv av- ava avb avh avn avr avs avu b-u baa bab bah ban bar bas bau bav bba bbb bbh bbn bbr bbs bbu bha bhb bhh bhr bhs bhu bhv bna bnb bnn bnr bns bnu bnv bra brb brh brn brr brs bru brv bsa bsb bsh bsn bsr bss bsu bsv bua bub buh bun bur bus buu bva bvb bvh bvn bvr bvs bvu bvv haa hab hah han har has hau hav hba hbb hbh hbn hbr hbs hbu hbv hha hhb hhh hhn hhr hhs hhu hhv hna hnb hnh hnn hns hnu hnv hr- hra hrb hrh hrn hrr hrs hru hrv hsa hsb hsh hsn hsr hss hsu hsv hua hub huh hun hur hus huu huv hv- hva hvb hvn hvr hvs hvv naa nab nah nan nar nas nau nav nba nbb nbn nbr nbs nbu nbv nha nhb nhh nhn nhr nhs nhu nhv nna nnb nnh nnn nns nnu nnv nra nrb nrn nrr nrs nru nrv nsa nsb nsh nsn nsr nss nsu nsv nua nub nuh nun nur nus nuu nuv nva nvb nvh nvn nvu nvv ra- raa rab rah ran rar ras rau rav rba rbb rbh rbn rbr rbs rbu rh- rha rhb rhh rhn rhr rhs rhu rhv rna rnb rnh rnn rnr rns rnu rnv rra rrb rrh rrn rrr rrs rru rsa rsb rsh rsn rsr rss rsu rsv rua rub ruh run rur rus ruu ruv rva rvb rvh rvn rvr rvs rvu rvv saa sab sah san sar sas sau sav sba sbb sbh sbn sbr sbs sbu sbv sh- sha shb shh shn shr shs shu shv sna snb snn snr sns snu snv sr- sra srb srh srn srr srs srv ss- ssa ssb ssh ssn ssr sss ssu ssv sua sub suh sun sur sus suu suv sva svb svn svr svs svu svv ua- uaa uab uah uan uar uas uau uav uba ubb ubh ubn ubr ubs ubu ubv uha uhb uhh uhr uhs uhu uhv un- una unb unh unn unr uns unu unv ur- ura urb urn urr urs uru usa usb ush usn usr uss usu usv uua uun uur uus uuu uva uvb uvs uvu uvv v-a vaa vab vah van var vas vau vav vba vbh vbr vbs vbv vh- vha vhb vhs vn- vna vnr vns vnu vnv vra vrb vrh vrn vrr vrs vru vsa vsb vsh vsn vsr vss vsu vsv vur vus vuv vva vvb vvr vvs vvv