a-a a-b a-i aaa aab aah aai aan aao aar aau ab- aba abb abh abi abn abo abr abu aha ahb ahh ahi ahn aho ahr ahu ai- aia aib aih aii ain aio air aiu an- ana anb anh ani ann ano anr anu aoa aob aoh aoi aon aoo aor aou ar- ara arb arh ari arn aro arr aru au- aua aub auh aui aun auo aur b-u baa bab bah bai ban bao bar bau bba bbb bbh bbi bbn bbo bbr bbu bha bhb bhh bhi bho bhr bhu bi- bia bib bih bii bin bio bir biu bna bnb bni bnn bno bnr bnu boa bob boh boi bon boo bor bou bra brb brh bri brn bro brr bru bua bub buh bui bun buo bur buu h-i haa hab hah hai han hao har hau hba hbb hbh hbi hbn hbo hbr hbu hha hhb hhh hhi hhn hho hhr hhu hia hib hih hii hin hio hir hiu hna hnb hnh hnn hno hnu hoa hob hoh hoi hon hoo hor hou hr- hra hrb hrh hri hrn hro hrr hru hua hub huh hui hun huo hur huu ia- iaa iab iah iai ian iao iar iau iba ibb ibh ibi ibn ibo ibr ibu iha ihb ihh ihi ihn iho ihr ihu iia iib iih iii iin iio iir iiu in- ina inb inh ini inn ino inr inu io- ioa iob ioh ioi ion ioo ior iou ir- ira irb iri irn iro irr iru iu- iua iub iui iur n-i naa nab nah nai nan nao nar nau nba nbb nbi nbn nbo nbr nbu nha nhb nhh nhi nhn nhr nhu nia nib nih nii nin nio nir niu nna nnb nnh nni nnn nno nnu no- noa nob noh noi non noo nor nou nra nrb nri nrn nro nrr nru nua nub nuh nui nun nuo nur nuu o-i oaa oab oah oai oan oao oar oau ob- oba obb obh obi obn obo obr obu oha ohh ohi ohn oho ohr ohu oia oib oii oin oio oir oiu on- ona onb onh oni onn ono onr onu oo- ooa oob ooh ooi oon ooo oor or- ora orb orh ori orn oro orr oru ou- oua ouh oui oun ouo our ra- raa rab rah rai ran rao rar rau rba rbb rbh rbi rbn rbo rbr rbu rh- rha rhb rhh rhi rhn rho rhr rhu ria rib rih rii rin rio rir rna rnb rnh rni rnn rno rnr rnu roa rob roh roi ron roo ror rou rra rrb rrh rri rrn rrr rru rua rub ruh rui run ruo rur ruu ua- uaa uab uah uai uan uao uar uau uba ubb ubh ubi ubn ubo ubr ubu uha uhb uhh uhi uho uhr uhu uia uib uii uin uio uir uiu un- una unb unh uni unn uno unr unu uoa uob uon uoo uor ur- ura urb uri urn uro urr uru uua uun uur uuu