a-a a-b a-i aaa aab aag aah aai aan aar aau ab- aba abb abg abh abi abn abr abu ag- aga agb agg agh agi agn agr agu aha ahb ahg ahh ahi ahn ahr ahu ai- aia aib aig aih aii ain air aiu an- ana anb ang anh ani ann anr anu ar- ara arb arg arh ari arn arr aru au- aua aub aug auh aui aun aur b-u baa bab bag bah bai ban bar bau bba bbb bbg bbh bbi bbn bbr bbu bga bgb bgg bgh bgi bgn bgr bgu bha bhb bhg bhh bhi bhr bhu bi- bia bib big bih bii bin bir biu bna bnb bng bni bnn bnr bnu bra brb brg brh bri brn brr bru bua bub bug buh bui bun bur buu gaa gab gag gah gai gan gar gau gba gbg gbh gbi gbn gbr gbu gga ggb ggg ggh ggi ggn ggr ggu gha ghb ghg ghh ghi ghn ghr gia gib gig gih gii gin gir giu gna gnb gni gnn gnr gnu gra grb grg grh gri grn grr gru gu- gua gub gug gui gun gur guu h-i haa hab hag hah hai han har hau hba hbb hbg hbh hbi hbn hbr hbu hga hgb hgg hgh hgi hgn hgr hgu hha hhb hhg hhh hhi hhn hhr hhu hia hib hig hih hii hin hir hiu hna hnb hng hnh hnn hnu hr- hra hrb hrg hrh hri hrn hrr hru hua hub hug huh hui hun hur huu ia- iaa iab iag iah iai ian iar iau iba ibb ibg ibh ibi ibn ibr ibu iga igb igg igh igi ign igr igu iha ihb ihg ihh ihi ihn ihr ihu iia iib iih iii iin iir iiu in- ina inb ing inh ini inn inr inu ir- ira irb irg iri irn irr iru iu- iua iub iug iui iur n-i naa nab nag nah nai nan nar nau nba nbb nbg nbi nbn nbr nbu nga ngb ngg ngh ngi ngn ngu nha nhb nhg nhh nhi nhn nhr nhu nia nib nig nih nii nin nir niu nna nnb nng nnh nni nnn nnu nra nrb nrg nri nrn nrr nru nua nub nug nuh nui nun nur nuu ra- raa rab rag rah rai ran rar rau rba rbb rbg rbh rbi rbn rbr rbu rga rgb rgg rgh rgi rgn rgr rh- rha rhb rhg rhh rhi rhn rhr rhu ria rib rig rih rii rin rir rna rnb rng rnh rni rnn rnr rnu rra rrb rrg rrh rri rrn rrr rru rua rub rug ruh rui run rur ruu ua- uaa uab uag uah uai uan uar uau uba ubb ubg ubh ubi ubn ubr ubu uga ugb ugg ugh ugi ugn ugr ugu uha uhb uhh uhi uhr uhu uia uib uig uii uin uir uiu un- una unb ung unh uni unn unr unu ur- ura urb urg uri urn urr uru uua uug uun uur uuu