-al -ol a-a a-b aaa aab aag aal aao aap ab- aba abb abg abl abo abp ag- aga agb agg agl ago agp al- ala alb alg all alo alp aoa aob aog aol aoo aop ap- apa apb apg apl apo app b-p baa bab bag bal bao bap bba bbb bbg bbl bbo bbp bga bgb bgg bgl bgo bgp bla blb blg bll blo blp boa bob bog bol boo bop bpa bpb bpg bpl bpo bpp g-p gaa gab gag gal gao gap gba gbg gbl gbo gbp gga ggb ggg ggo ggp gla glb glg gll glo glp goa gob gog gol goo gop gpa gpb gpg gpl gpo gpp l-p la- laa lab lag lal lao lap lba lbb lbg lbl lbo lbp lga lgb lgg lgl lgo lgp lla llb llg lll llo llp loa lob log lol loo lop lpa lpb lpg lpl lpo lpp oaa oab oag oal oao oap ob- oba obb obg obl obo obp oga ogg ogl ogo ogp ola olb olg oll olo olp oo- ooa oob oog ool ooo oop op- opa opb opg opl opo opp p-p paa pab pag pal pao pap pba pbb pbg pbl pbo pbp pga pgb pgg pgl pgo pgp pla plb plg pll plo plp poa pob pog pol poo pop ppa ppb ppg ppl ppo ppp