-al -ic -ol a-a a-c a-i a-t aaa aac aaf aag aai aal aan aao aat ac- aca acc acf acg aci acl acn aco act af- afa afc aff afg afi afl afn afo aft ag- aga agc agf agg agi agl agn ago agt ai- aia aic aif aig aii ail ain aio ait al- ala alc alf alg ali all aln alo alt an- ana anc anf ang ani anl ann ano ant aoa aoc aof aog aoi aol aon aoo aot at- ata atc atf atg ati atl atn ato att c-- caa cac caf cag cai cal can cao cat cca ccc ccf ccg cci ccl ccn cco cct cfa cfc cff cfg cfi cfl cfn cfo cft cga cgc cgg cgi cgl cgn cgo cgt ci- cia cic cif cig cii cil cin cio cit cl- cla clc clf clg cli cll cln clo clt cn- cna cnc cnf cng cni cnl cnn cno cnt co- coa coc cof cog coi col con coo cot cta ctc ctf ctg cti ctl ctn cto ctt faa fac faf fag fai fal fan fao fat fca fcc fcf fcg fci fcl fcn fco fct ffa ffc fff ffg ffi ffl ffn ffo fft fga fgc fgf fgg fgi fgl fgn fgt fia fic fif fig fii fil fin fit fla flc flf flg fli fll fln flo flt fna fnc fnf fng fni fnl fnn fnt foa foc fof fog foi fol fon foo fot fta ftc ftf ftg fti ftl ftn fto ftt gaa gac gaf gag gai gal gan gao gat gca gcc gcf gcg gci gcl gcn gco gct gfa gfc gff gfi gfl gfo gft gga ggc ggg ggi ggn ggo ggt gia gic gif gig gii gil gin gio git gla glc glf glg gli gll gln glo glt gna gnc gnf gni gnl gnn gno gnt goa goc gof gog goi gol gon goo got gta gtc gtf gtg gti gtl gtn gto gtt i-f ia- iaa iac iaf iag iai ial ian iao iat ica icc icf icg ici icl icn ico ict ifa ifc iff ifg ifi ifl ifn ifo ift iga igc igf igg igi igl ign igo igt iia iic iif iii iil iin iio iit il- ila ilc ilf ilg ili ill iln ilo ilt in- ina inc inf ing ini inl inn ino int io- ioa ioc iof iog ioi iol ion ioo iot ita itc itf itg iti itl itn ito itt la- laa lac laf lag lai lal lan lao lat lca lcc lcf lcg lci lcl lcn lco lct lfa lfc lff lfg lfi lfl lfn lfo lft lga lgc lgf lgg lgi lgl lgn lgo lgt lia lic lif lig lii lil lin lio lit lla llc llf llg lli lll lln llo llt lna lnc lng lni lnl lnn lno lnt loa loc lof log loi lol lon loo lot lta ltc ltf ltg lti ltl lto ltt n-i naa nac naf nag nai nal nan nao nat nca ncc ncf ncg nci ncl ncn nco nct nfa nfc nff nfi nfl nfn nfo nft nga ngc ngf ngg ngi ngl ngn ngo ngt nia nic nif nig nii nil nin nio nit nla nlc nlf nlg nli nll nln nlo nlt nna nnc nnf nng nni nnl nnn nno nnt no- noa noc nof nog noi nol non noo not nta ntc ntf ntg nti ntn nto ntt o-i oaa oac oaf oag oai oal oan oao oat oc- oca occ ocf ocg oci ocl ocn oco oct of- ofa ofc off ofg ofi ofl ofn ofo oft oga ogc ogf ogg ogi ogl ogn ogo ogt oia oic oif oii oil oin oio oit ola olc olf olg oli oll oln olo olt on- ona onc onf ong oni onl onn ono ont oo- ooa ooc oof oog ooi ool oon ooo oot ot- ota otc otf otg oti otl otn oto ott taa tac taf tag tai tal tan tao tat tca tcc tcf tcg tci tcl tcn tco tct tfa tfc tff tfg tfi tfl tfn tfo tft tga tgc tgf tgg tgi tgl tgn tgo tgt tia tic tif tig tii til tin tio tit tla tlc tlf tlg tli tll tln tlo tlt tna tnc tnf tng tni tnl tnn tno tnt to- toa toc tof tog toi tol ton too tot tta ttc ttf ttg tti ttl ttn tto ttt