-al -ol a-a a-b a-t aaa aab aag aal aan aao aap aat ab- aba abb abg abl abn abo abp abt ag- aga agb agg agl agn ago agp agt al- ala alb alg all aln alo alp alt an- ana anb ang anl ann ano anp ant aoa aob aog aol aon aoo aop aot ap- apa apb apg apl apn apo app apt at- ata atb atg atl atn ato atp att b-p baa bab bag bal ban bao bap bat bba bbb bbg bbl bbn bbo bbp bbt bga bgb bgg bgl bgn bgo bgp bgt bla blb blg bll bln blo blp blt bna bnb bng bnl bnn bno bnp bnt boa bob bog bol bon boo bop bot bpa bpb bpg bpl bpn bpo bpp bpt bta btb btg btl btn bto btp btt g-p gaa gab gag gal gan gao gap gat gba gbg gbl gbn gbo gbp gbt gga ggb ggg ggn ggo ggp ggt gla glb glg gll gln glo glp glt gna gnb gnl gnn gno gnp gnt goa gob gog gol gon goo gop got gpa gpb gpg gpl gpn gpo gpp gpt gta gtb gtg gtl gtn gto gtp gtt l-p la- laa lab lag lal lan lao lap lat lba lbb lbg lbl lbo lbp lbt lga lgb lgg lgl lgn lgo lgp lgt lla llb llg lll lln llo llp llt lna lnb lng lnl lnn lno lnp lnt loa lob log lol lon loo lop lot lpa lpb lpg lpl lpn lpo lpp lpt lta ltb ltg ltl lto ltp ltt naa nab nag nal nan nao nap nat nba nbb nbg nbl nbn nbo nbp nbt nga ngb ngg ngl ngn ngo ngp ngt nla nlb nlg nll nln nlo nlp nlt nna nnb nng nnl nnn nno nnp nnt no- noa nob nog nol non noo nop not npa npb npg npl npn npo npp npt nta ntb ntg ntn nto ntp ntt oaa oab oag oal oan oao oap oat ob- oba obb obg obl obn obo obp obt oga ogg ogl ogn ogo ogp ogt ola olb olg oll oln olo olp olt on- ona onb ong onl onn ono onp ont oo- ooa oob oog ool oon ooo oop oot op- opa opb opg opl opn opo opp opt ot- ota otb otg otl otn oto otp ott p-p paa pab pag pal pan pao pap pat pba pbb pbg pbl pbn pbo pbp pbt pga pgb pgg pgl pgn pgo pgp pgt pla plb plg pll pln plo plp plt pn- pna pnb png pnl pnn pno pnp pnt poa pob pog pol pon poo pop pot ppa ppb ppg ppl ppn ppo ppp ppt pt- pta ptb ptg ptl ptn pto ptp ptt taa tab tag tal tan tao tap tat tba tbb tbg tbl tbn tbo tbp tbt tga tgb tgg tgl tgn tgo tgp tgt tla tlg tll tln tlo tlp tlt tna tnb tng tnl tnn tno tnp tnt to- toa tob tog tol ton too top tot tpa tpb tpg tpl tpn tpo tpp tpt tta ttb ttg ttl ttn tto ttp ttt