a-a a-b a-i aaa aab aah aai aan aar aau ab- aba abb abh abi abn abr abu aha ahb ahh ahi ahn ahr ahu ai- aia aib aih aii ain air aiu an- ana anb anh ani ann anr anu ar- ara arb arh ari arn arr aru au- aua aub auh aui aun aur b-u baa bab bah bai ban bar bau bba bbb bbh bbi bbn bbr bbu bha bhb bhh bhi bhr bhu bi- bia bib bih bii bin bir biu bna bnb bni bnn bnr bnu bra brb brh bri brn brr bru bua bub buh bui bun bur buu h-i haa hab hah hai han har hau hba hbb hbh hbi hbn hbr hbu hha hhb hhh hhi hhn hhr hhu hia hib hih hii hin hir hiu hna hnb hnh hnn hnu hr- hra hrb hrh hri hrn hrr hru hua hub huh hui hun hur huu ia- iaa iab iah iai ian iar iau iba ibb ibh ibi ibn ibr ibu iha ihb ihh ihi ihn ihr ihu iia iib iih iii iin iir iiu in- ina inb inh ini inn inr inu ir- ira irb iri irn irr iru iu- iua iub iui iur n-i naa nab nah nai nan nar nau nba nbb nbi nbn nbr nbu nha nhb nhh nhi nhn nhr nhu nia nib nih nii nin nir niu nna nnb nnh nni nnn nnu nra nrb nri nrn nrr nru nua nub nuh nui nun nur nuu ra- raa rab rah rai ran rar rau rba rbb rbh rbi rbn rbr rbu rh- rha rhb rhh rhi rhn rhr rhu ria rib rih rii rin rir rna rnb rnh rni rnn rnr rnu rra rrb rrh rri rrn rrr rru rua rub ruh rui run rur ruu ua- uaa uab uah uai uan uar uau uba ubb ubh ubi ubn ubr ubu uha uhb uhh uhi uhr uhu uia uib uii uin uir uiu un- una unb unh uni unn unr unu ur- ura urb uri urn urr uru uua uun uur uuu