a-a a-b a-i aaa aab aai aak aam aap ab- aba abb abi abk abm abp ai- aia aib aii aik aim aip aka akb aki akk akm akp ama amb ami amk amm amp ap- apa apb api apk apm app b-p baa bab bai bak bam bap bba bbb bbi bbk bbm bbp bi- bia bib bii bik bim bip bka bkb bkk bkm bkp bma bmb bmi bmk bmm bmp bpa bpb bpi bpm bpp ia- iaa iab iai iam iap iba ibb ibi ibk ibm ibp iia iib iii iim iip ika ikb iki ikk im- ima imb imi imm imp ipa ipb ipi ipm ipp ka- kaa kab kai kak kam kap kba kbb kbi kbk kbm kbp kia kib kii kik kim kip kkb kki kkk kkm kkp kma kmb kmi kmk kmm kmp kpa kpi kpk kpm kpp maa mab mai mak mam map mba mbb mbi mbk mbm mbp mi- mia mib mii mik mim mip mka mkb mkk mkm mkp mma mmb mmi mmk mmm mmp mpa mpb mpi mpk mpm mpp p-p paa pab pai pak pam pap pba pbb pbi pbk pbm pbp pia pib pii pik pim pip pka pkb pki pkm pkp pma pmb pmi pmk pmm pmp ppa ppb ppi ppk ppm ppp