a-a a-b a-i aaa aab aai aak aam aar aau ab- aba abb abi abk abm abr abu ai- aia aib aii aik aim air aiu aka akb aki akk akm akr aku ama amb ami amk amm amr amu ar- ara arb ari ark arm arr aru au- aua aub aui auk aum aur b-u baa bab bai bak bam bar bau bba bbb bbi bbk bbm bbr bbu bi- bia bib bii bik bim bir biu bka bkb bkk bkm bkr bma bmb bmi bmk bmm bmr bmu bra brb bri brk brm brr bru bua bub bui buk bum bur buu ia- iaa iab iai iam iar iau iba ibb ibi ibk ibm ibr ibu iia iib iii iim iir iiu ika ikb iki ikk ikr iku im- ima imb imi imm imu ir- ira irb iri irk irm irr iru iu- iua iub iui ium iur ka- kaa kab kai kak kam kar kau kba kbb kbi kbk kbm kbr kbu kia kib kii kik kim kir kiu kkb kki kkk kkm kkr kku kma kmb kmi kmk kmm kmu kra kri krk krr kru kub kui kuk kum kur kuu m-r maa mab mai mak mam mar mau mba mbb mbi mbk mbm mbr mbu mi- mia mib mii mik mim mir miu mka mkb mkk mkm mkr mku mma mmb mmi mmk mmm mmr mmu mra mrb mri mrk mrm mrr mru mua mub mui muk mum mur muu ra- raa rab rai rak ram rar rau rba rbb rbi rbk rbm rbr rbu ria rib rii rik rim rir rkb rkk rkm rku rma rmb rmi rmm rmr rra rrb rri rrk rrm rrr rru rua rub rui ruk rum rur ruu ua- uaa uab uai uak uam uar uau uba ubb ubi ubk ubr ubu uia uib uii uim uir uiu uka ukb uki ukk ukr uku um- uma umb umi umm umr umu ur- ura urb uri urk urm urr uru uua uum uur uuu