-al -ic -ol a-a a-c a-i a-t aaa aac aad aae aag aai aal aao aat ac- aca acc acd ace acg aci acl aco act ad- ada adc add ade adg adi adl ado adt aea aec aed aee aeg aei ael aeo aet ag- aga agc agd age agg agi agl ago agt ai- aia aic aid aie aig aii ail aio ait al- ala alc ald ale alg ali all alo alt aoa aoc aod aoe aog aoi aol aoo aot at- ata atc atd ate atg ati atl ato att c-- caa cac cad cae cag cai cal cao cat cca ccc ccd cce ccg cci ccl cco cct cda cdc cdd cde cdg cdi cdl cdo cdt ce- cea cec ced cee ceg cei cel ceo cet cga cgc cgd cge cgg cgi cgl cgo cgt ci- cia cic cid cie cig cii cil cio cit cl- cla clc cld cle clg cli cll clo clt co- coa coc cod coe cog coi col coo cot cta ctc ctd cte ctg cti ctl cto ctt daa dac dad dae dag dai dal dao dat dca dcc dcd dce dcg dci dcl dco dct dda ddc ddd dde ddg ddi ddl ddo ddt de- dea dec ded dee deg dei del deo det dga dgc dgd dge dgg dgi dgl dgt di- dia dic did die dig dii dil dio dit dl- dla dlc dld dle dlg dli dll dlo dlt doa doc dod doe dog doi dol doo dot dta dtc dtd dte dtg dti dtl dto dtt eaa eac ead eae eag eai eal eao eat ec- eca ecc ecd ece ecg eci ecl eco ect ed- eda edc edd ede edg edi edl edo edt eea eec eed eee eeg eel eeo eet ega egc egd ege egg egi egl ego egt eia eic eid eie eig eii eil eio eit ela elc eld ele elg eli ell elo elt eo- eoa eoc eod eoe eog eoi eol eoo eot eta etc etd ete etg eti etl eto ett g-d gaa gac gad gae gag gai gal gao gat gca gcc gcd gce gcg gci gcl gco gct gda gdc gdd gde gdi gdl gdo gdt ge- gea gec ged gee geg gei gel geo get gga ggc ggd ggg ggi ggo ggt gia gic gid gie gig gii gil gio git gla glc gld gle glg gli gll glo glt goa goc god goe gog goi gol goo got gta gtc gtd gte gtg gti gtl gto gtt i-d ia- iaa iac iad iae iag iai ial iao iat ica icc icd ice icg ici icl ico ict ida idc idd ide idg idi idl ido idt ie- iea iec ied iee ieg iei iel iet iga igc igd ige igg igi igl igo igt iia iic iid iie iii iil iio iit il- ila ilc ild ile ilg ili ill ilo ilt io- ioa ioc iod ioe iog ioi iol ioo iot ita itc itd ite itg iti itl ito itt la- laa lac lad lae lag lai lal lao lat lca lcc lcd lce lcg lci lcl lco lct lda ldc ldd lde ldg ldi ldl ldo ldt lea lec led lee leg lei lel leo let lga lgc lgd lge lgg lgi lgl lgo lgt lia lic lid lie lig lii lil lio lit lla llc lld lle llg lli lll llo llt loa loc lod loe log loi lol loo lot lta ltc ltd lte ltg lti ltl lto ltt o-i oaa oac oad oae oag oai oal oao oat oc- oca occ ocd ocg oci ocl oco oct oda odc odd ode odg odi odl odo odt oea oec oed oee oeg oei oel oeo oet oga ogc ogd oge ogg ogi ogl ogo ogt oia oic oid oie oii oil oio oit ola olc old ole olg oli oll olo olt oo- ooa ooc ood oog ooi ool ooo oot ot- ota otc otd ote otg oti otl oto ott taa tac tad tae tag tai tal tao tat tca tcc tcd tce tcg tci tcl tco tct tda tdc tdd tde tdg tdi tdl tdo tdt te- tea tec ted tee teg tei tel teo tet tga tgc tge tgg tgi tgl tgo tgt tia tic tid tie tig tii til tio tit tla tlc tld tle tlg tli tll tlo tlt to- toa toc tod toe tog toi tol too tot tta ttc ttd tte ttg tti ttl tto ttt