a-a a-b a-i aaa aab aai aak aam aan aar ab- aba abb abi abk abm abn abr ai- aia aib aii aik aim ain air aka akb aki akk akm akn akr ama amb ami amk amm amn amr an- ana anb ani ank anm ann anr ar- ara arb ari ark arm arn arr baa bab bai bak bam ban bar bba bbb bbi bbk bbm bbn bbr bi- bia bib bii bik bim bin bir bka bkb bkk bkm bkn bkr bma bmb bmi bmk bmm bmn bmr bna bnb bni bnk bnn bnr bra brb bri brk brm brn brr ia- iaa iab iai iam ian iar iba ibb ibi ibk ibm ibn ibr iia iib iii iim iin iir ika ikb iki ikk ikr im- ima imb imi imm imn in- ina inb ini ink inm inn inr ir- ira irb iri irk irm irn irr ka- kaa kab kai kak kam kan kar kba kbb kbi kbk kbm kbn kbr kia kib kii kik kim kin kir kkb kki kkk kkm kkn kkr kma kmb kmi kmk kmm kn- kna kni knk knm knn knr kra kri krk krn krr m-r maa mab mai mak mam man mar mba mbb mbi mbk mbm mbr mi- mia mib mii mik mim min mir mka mkb mkk mkm mkn mkr mma mmb mmi mmk mmm mmn mmr mna mnb mni mnk mnm mnn mnr mra mrb mri mrk mrm mrn mrr n-i naa nab nai nak nam nan nar nba nbb nbi nbk nbm nbn nbr nia nib nii nik nim nin nir nka nki nkk nkm nkn nkr nma nmb nmi nmk nmm nmn nmr nna nnb nni nnk nnm nnn nra nrb nri nrk nrm nrn nrr ra- raa rab rai rak ram ran rar rba rbb rbi rbk rbm rbn rbr ria rib rii rik rim rin rir rkb rkk rkm rma rmb rmi rmm rmn rmr rna rnb rni rnm rnn rnr rra rrb rri rrk rrm rrn rrr