-al a-a a-b a-i aaa aab aae aag aai aal aap ab- aba abb abe abg abi abl abp aea aeb aee aeg aei ael aep ag- aga agb age agg agi agl agp ai- aia aib aie aig aii ail aip al- ala alb ale alg ali all alp ap- apa apb ape apg api apl app b-p baa bab bae bag bai bal bap bba bbb bbe bbg bbi bbl bbp be- bea beb bee beg bei bel bep bga bgb bge bgg bgi bgl bgp bi- bia bib bie big bii bil bip bla blb ble blg bli bll blp bpa bpb bpe bpg bpi bpl bpp eaa eab eae eag eai eal eap eba ebb ebe ebg ebi ebl ebp eea eeb eee eeg eel eep ega egb ege egg egi egl egp eia eib eie eig eii eil eip ela elb ele elg eli ell elp ep- epa epb epe epg epi epl epp g-p gaa gab gae gag gai gal gap gba gbe gbg gbi gbl gbp ge- gea geb gee geg gei gel gep gga ggb ggg ggi ggp gia gib gie gig gii gil gip gla glb gle glg gli gll glp gpa gpb gpe gpg gpi gpl gpp ia- iaa iab iae iag iai ial iap iba ibb ibe ibg ibi ibl ibp ie- iea iee ieg iei iel iep iga igb ige igg igi igl igp iia iib iie iii iil iip il- ila ilb ile ilg ili ill ilp ipa ipb ipe ipg ipi ipl ipp l-p la- laa lab lae lag lai lal lap lba lbb lbe lbg lbi lbl lbp lea leb lee leg lei lel lep lga lgb lge lgg lgi lgl lgp lia lib lie lig lii lil lip lla llb lle llg lli lll llp lpa lpb lpe lpg lpi lpl lpp p-p paa pab pae pag pai pal pap pba pbb pbe pbg pbi pbl pbp pea peb pee peg pei pel pep pga pgb pge pgg pgi pgl pgp pia pib pie pig pii pil pip pla plb ple plg pli pll plp ppa ppb ppe ppg ppi ppl ppp