-al a-a a-b a-i aaa aab aag aai aal aap ab- aba abb abg abi abl abp ag- aga agb agg agi agl agp ai- aia aib aig aii ail aip al- ala alb alg ali all alp ap- apa apb apg api apl app b-p baa bab bag bai bal bap bba bbb bbg bbi bbl bbp bga bgb bgg bgi bgl bgp bi- bia bib big bii bil bip bla blb blg bli bll blp bpa bpb bpg bpi bpl bpp g-p gaa gab gag gai gal gap gba gbg gbi gbl gbp gga ggb ggg ggi ggp gia gib gig gii gil gip gla glb glg gli gll glp gpa gpb gpg gpi gpl gpp ia- iaa iab iag iai ial iap iba ibb ibg ibi ibl ibp iga igb igg igi igl igp iia iib iii iil iip il- ila ilb ilg ili ill ilp ipa ipb ipg ipi ipl ipp l-p la- laa lab lag lai lal lap lba lbb lbg lbi lbl lbp lga lgb lgg lgi lgl lgp lia lib lig lii lil lip lla llb llg lli lll llp lpa lpb lpg lpi lpl lpp p-p paa pab pag pai pal pap pba pbb pbg pbi pbl pbp pga pgb pgg pgi pgl pgp pia pib pig pii pil pip pla plb plg pli pll plp ppa ppb ppg ppi ppl ppp