a-a a-b a-i aaa aab aag aai aam aar aau ab- aba abb abg abi abm abr abu ag- aga agb agg agi agm agr agu ai- aia aib aig aii aim air aiu ama amb amg ami amm amr amu ar- ara arb arg ari arm arr aru au- aua aub aug aui aum aur b-u baa bab bag bai bam bar bau bba bbb bbg bbi bbm bbr bbu bga bgb bgg bgi bgm bgr bgu bi- bia bib big bii bim bir biu bma bmb bmg bmi bmm bmr bmu bra brb brg bri brm brr bru bua bub bug bui bum bur buu gaa gab gag gai gam gar gau gba gbg gbi gbm gbr gbu gga ggb ggg ggi ggm ggr ggu gia gib gig gii gim gir giu gma gmb gmg gmi gmm gmr gra grb grg gri grm grr gru gu- gua gub gug gui gum gur guu ia- iaa iab iag iai iam iar iau iba ibb ibg ibi ibm ibr ibu iga igb igg igi igm igr igu iia iib iii iim iir iiu im- ima imb img imi imm imu ir- ira irb irg iri irm irr iru iu- iua iub iug iui ium iur m-r maa mab mag mai mam mar mau mba mbb mbg mbi mbm mbr mbu mga mgb mgi mgm mgr mgu mi- mia mib mig mii mim mir miu mma mmb mmg mmi mmm mmr mmu mra mrb mrg mri mrm mrr mru mua mub mug mui mum mur muu ra- raa rab rag rai ram rar rau rba rbb rbg rbi rbm rbr rbu rga rgb rgg rgi rgr ria rib rig rii rim rir rma rmb rmg rmi rmm rmr rra rrb rrg rri rrm rrr rru rua rub rug rui rum rur ruu ua- uaa uab uag uai uam uar uau uba ubb ubg ubi ubr ubu uga ugb ugg ugi ugm ugr ugu uia uib uig uii uim uir uiu um- uma umb umg umi umm umr umu ur- ura urb urg uri urm urr uru uua uug uum uur uuu