a-a a-b a-i aaa aab aad aai aak aam aar ab- aba abb abd abi abk abm abr ad- ada adb add adi adk adm adr ai- aia aib aid aii aik aim air aka akb akd aki akk akm akr ama amb amd ami amk amm amr ar- ara arb ard ari ark arm arr baa bab bad bai bak bam bar bba bbb bbd bbi bbk bbm bbr bda bdb bdd bdi bdk bdm bdr bi- bia bib bid bii bik bim bir bka bkb bkk bkm bkr bma bmb bmd bmi bmk bmm bmr bra brb brd bri brk brm brr daa dab dad dai dak dam dar dba dbb dbd dbi dbk dbm dbr dda ddb ddd ddi ddk ddm ddr di- dia dib did dii dik dim dir dka dkb dki dkk dkm dkr dma dmb dmd dmi dmk dmm dmr dra drb drd dri drk drm drr i-d ia- iaa iab iad iai iam iar iba ibb ibd ibi ibk ibm ibr ida idb idd idi idk idm idr iia iib iid iii iim iir ika ikb iki ikk ikr im- ima imb imd imi imm ir- ira irb ird iri irk irm irr ka- kaa kab kad kai kak kam kar kba kbb kbd kbi kbk kbm kbr kda kdb kdk kdm kdr kia kib kid kii kik kim kir kkb kki kkk kkm kkr kma kmb kmd kmi kmk kmm kra krd kri krk krr m-r maa mab mad mai mak mam mar mba mbb mbd mbi mbk mbm mbr mda mdb mdd mdi mdk mdm mdr mi- mia mib mid mii mik mim mir mka mkb mkd mkk mkm mkr mma mmb mmd mmi mmk mmm mmr mra mrb mrd mri mrk mrm mrr ra- raa rab rad rai rak ram rar rba rbb rbd rbi rbk rbm rbr rda rdb rdd rdi rdm rdr ria rib rid rii rik rim rir rkb rkk rkm rma rmb rmd rmi rmm rmr rra rrb rrd rri rrk rrm rrr