a-a a-b a-i aaa aab aag aah aai aar aau ab- aba abb abg abh abi abr abu ag- aga agb agg agh agi agr agu aha ahb ahg ahh ahi ahr ahu ai- aia aib aig aih aii air aiu ar- ara arb arg arh ari arr aru au- aua aub aug auh aui aur b-u baa bab bag bah bai bar bau bba bbb bbg bbh bbi bbr bbu bga bgb bgg bgh bgi bgr bgu bha bhb bhg bhh bhi bhr bhu bi- bia bib big bih bii bir biu bra brb brg brh bri brr bru bua bub bug buh bui bur buu gaa gab gag gah gai gar gau gba gbg gbh gbi gbr gbu gga ggb ggg ggh ggi ggr ggu gha ghb ghg ghh ghi ghr gia gib gig gih gii gir giu gra grb grg grh gri grr gru gu- gua gub gug gui gur guu h-i haa hab hag hah hai har hau hba hbb hbg hbh hbi hbr hbu hga hgb hgg hgh hgi hgr hgu hha hhb hhg hhh hhi hhr hhu hia hib hig hih hii hir hiu hr- hra hrb hrg hrh hri hrr hru hua hub hug huh hui hur huu ia- iaa iab iag iah iai iar iau iba ibb ibg ibh ibi ibr ibu iga igb igg igh igi igr igu iha ihb ihg ihh ihi ihr ihu iia iib iih iii iir iiu ir- ira irb irg iri irr iru iu- iua iub iug iui iur ra- raa rab rag rah rai rar rau rba rbb rbg rbh rbi rbr rbu rga rgb rgg rgh rgi rgr rh- rha rhb rhg rhh rhi rhr rhu ria rib rig rih rii rir rra rrb rrg rrh rri rrr rru rua rub rug ruh rui rur ruu ua- uaa uab uag uah uai uar uau uba ubb ubg ubh ubi ubr ubu uga ugb ugg ugh ugi ugr ugu uha uhb uhh uhi uhr uhu uia uib uig uii uir uiu ur- ura urb urg uri urr uru uua uug uur uuu