-al a-a a-b a-i a-t aaa aab aae aag aai aal aan aap aat ab- aba abb abe abg abi abl abn abp abt aea aeb aee aeg aei ael aen aep aet ag- aga agb age agg agi agl agn agp agt ai- aia aib aie aig aii ail ain aip ait al- ala alb ale alg ali all aln alp alt an- ana anb ane ang ani anl ann anp ant ap- apa apb ape apg api apl apn app apt at- ata atb ate atg ati atl atn atp att b-p baa bab bae bag bai bal ban bap bat bba bbb bbe bbg bbi bbl bbn bbp bbt be- bea beb bee beg bei bel ben bep bet bga bgb bge bgg bgi bgl bgn bgp bgt bi- bia bib bie big bii bil bin bip bit bla blb ble blg bli bll bln blp blt bna bnb bne bng bni bnl bnn bnp bnt bpa bpb bpe bpg bpi bpl bpn bpp bpt bta btb bte btg bti btl btn btp btt eaa eab eae eag eai eal ean eap eat eba ebb ebe ebg ebi ebl ebn ebp ebt eea eeb eee eeg eel een eep eet ega egb ege egg egi egl egn egp egt eia eib eie eig eii eil ein eip eit ela elb ele elg eli ell eln elp elt en- ena enb ene eng eni enl enn enp ent ep- epa epb epe epg epi epl epn epp ept eta etb ete etg eti etl etn etp ett g-p gaa gab gae gag gai gal gan gap gat gba gbe gbg gbi gbl gbn gbp gbt ge- gea geb gee geg gei gel gen gep get gga ggb ggg ggi ggn ggp ggt gia gib gie gig gii gil gin gip git gla glb gle glg gli gll gln glp glt gna gnb gne gni gnl gnn gnp gnt gpa gpb gpe gpg gpi gpl gpn gpp gpt gta gtb gte gtg gti gtl gtn gtp gtt ia- iaa iab iae iag iai ial ian iap iat iba ibb ibe ibg ibi ibl ibn ibp ibt ie- iea iee ieg iei iel ien iep iet iga igb ige igg igi igl ign igp igt iia iib iie iii iil iin iip iit il- ila ilb ile ilg ili ill iln ilp ilt in- ina inb ine ing ini inl inn inp int ipa ipb ipe ipg ipi ipl ipn ipp ipt ita itb ite itg iti itl itn itp itt l-p la- laa lab lae lag lai lal lan lap lat lba lbb lbe lbg lbi lbl lbp lbt lea leb lee leg lei lel len lep let lga lgb lge lgg lgi lgl lgn lgp lgt lia lib lie lig lii lil lin lip lit lla llb lle llg lli lll lln llp llt lna lnb lne lng lni lnl lnn lnp lnt lpa lpb lpe lpg lpi lpl lpn lpp lpt lta ltb lte ltg lti ltl ltp ltt n-i naa nab nae nag nai nal nan nap nat nba nbb nbe nbg nbi nbl nbn nbp nbt ne- nea neb nee neg nei nel nen nep net nga ngb nge ngg ngi ngl ngn ngp ngt nia nib nie nig nii nil nin nip nit nla nlb nle nlg nli nll nln nlp nlt nna nnb nne nng nni nnl nnn nnp nnt npa npb npe npg npi npl npn npp npt nta ntb nte ntg nti ntn ntp ntt p-p paa pab pae pag pai pal pan pap pat pba pbb pbe pbg pbi pbl pbn pbp pbt pea peb pee peg pei pel pen pep pet pga pgb pge pgg pgi pgl pgn pgp pgt pia pib pie pig pii pil pin pip pit pla plb ple plg pli pll pln plp plt pn- pna pnb pne png pni pnl pnn pnp pnt ppa ppb ppe ppg ppi ppl ppn ppp ppt pt- pta ptb pte ptg pti ptl ptn ptp ptt taa tab tae tag tai tal tan tap tat tba tbb tbe tbg tbi tbl tbn tbp tbt te- tea teb tee teg tei tel ten tep tet tga tgb tge tgg tgi tgl tgn tgp tgt tia tib tie tig tii til tin tip tit tla tle tlg tli tll tln tlp tlt tna tnb tne tng tni tnl tnn tnp tnt tpa tpb tpe tpg tpi tpl tpn tpp tpt tta ttb tte ttg tti ttl ttn ttp ttt