a-a a-b a-i aaa aab aag aai aam aap ab- aba abb abg abi abm abp ag- aga agb agg agi agm agp ai- aia aib aig aii aim aip ama amb amg ami amm amp ap- apa apb apg api apm app b-p baa bab bag bai bam bap bba bbb bbg bbi bbm bbp bga bgb bgg bgi bgm bgp bi- bia bib big bii bim bip bma bmb bmg bmi bmm bmp bpa bpb bpg bpi bpm bpp g-p gaa gab gag gai gam gap gba gbg gbi gbm gbp gga ggb ggg ggi ggm ggp gia gib gig gii gim gip gma gmb gmg gmi gmm gmp gpa gpb gpg gpi gpm gpp ia- iaa iab iag iai iam iap iba ibb ibg ibi ibm ibp iga igb igg igi igm igp iia iib iii iim iip im- ima imb img imi imm imp ipa ipb ipg ipi ipm ipp maa mab mag mai mam map mba mbb mbg mbi mbm mbp mga mgb mgi mgm mgp mi- mia mib mig mii mim mip mma mmb mmg mmi mmm mmp mpa mpb mpg mpi mpm mpp p-p paa pab pag pai pam pap pba pbb pbg pbi pbm pbp pga pgb pgg pgi pgm pgp pia pib pig pii pim pip pma pmb pmg pmi pmm pmp ppa ppb ppg ppi ppm ppp