-al -er -ic -ol a-a a-c a-i a-t aaa aac aae aag aai aal aao aar aat ac- aca acc ace acg aci acl aco acr act aea aec aee aeg aei ael aeo aer aet ag- aga agc age agg agi agl ago agr agt ai- aia aic aie aig aii ail aio air ait al- ala alc ale alg ali all alo alr alt aoa aoc aoe aog aoi aol aoo aor aot ar- ara arc are arg ari arl aro arr art at- ata atc ate atg ati atl ato atr att c-- caa cac cae cag cai cal cao car cat cca ccc cce ccg cci ccl cco ccr cct ce- cea cec cee ceg cei cel ceo cer cet cga cgc cge cgg cgi cgl cgo cgr cgt ci- cia cic cie cig cii cil cio cir cit cl- cla clc cle clg cli cll clo clr clt co- coa coc coe cog coi col coo cor cot cra crc cre crg cri crl cro crr crt cta ctc cte ctg cti ctl cto ctr ctt eaa eac eae eag eai eal eao ear eat ec- eca ecc ece ecg eci ecl eco ecr ect eea eec eee eeg eel eeo eer eet ega egc ege egg egi egl ego egr egt eia eic eie eig eii eil eio eir eit ela elc ele elg eli ell elo elr elt eo- eoa eoc eoe eog eoi eol eoo eor eot era erc ere erg eri erl ero err ert eta etc ete etg eti etl eto etr ett gaa gac gae gag gai gal gao gar gat gca gcc gce gcg gci gcl gco gcr gct ge- gea gec gee geg gei gel geo ger get gga ggc ggg ggi ggo ggr ggt gia gic gie gig gii gil gio gir git gla glc gle glg gli gll glo glr glt goa goc goe gog goi gol goo gor got gra grc gre grg gri grl gro grr grt gta gtc gte gtg gti gtl gto gtr gtt ia- iaa iac iae iag iai ial iao iar iat ica icc ice icg ici icl ico icr ict ie- iea iec iee ieg iei iel ier iet iga igc ige igg igi igl igo igr igt iia iic iie iii iil iio iir iit il- ila ilc ile ilg ili ill ilo ilr ilt io- ioa ioc ioe iog ioi iol ioo ior iot ir- ira irc ire irg iri irl iro irr irt ita itc ite itg iti itl ito itt la- laa lac lae lag lai lal lao lar lat lca lcc lce lcg lci lcl lco lcr lct lea lec lee leg lei lel leo ler let lga lgc lge lgg lgi lgl lgo lgr lgt lia lic lie lig lii lil lio lir lit lla llc lle llg lli lll llo llr llt loa loc loe log loi lol loo lor lot lra lrc lrg lri lro lrr lrt lta ltc lte ltg lti ltl lto ltr ltt o-i oaa oac oae oag oai oal oao oar oat oc- oca occ ocg oci ocl oco ocr oct oea oec oee oeg oei oel oeo oer oet oga ogc oge ogg ogi ogl ogo ogt oia oic oie oii oil oio oir oit ola olc ole olg oli oll olo olt oo- ooa ooc oog ooi ool ooo oor oot or- ora orc ore org ori orl oro orr ort ot- ota otc ote otg oti otl oto otr ott ra- raa rac rae rag rai ral rao rar rat rca rcc rce rcg rci rcl rco rcr rct re- rea rec ree reg rei rel reo rer ret rga rgc rge rgg rgi rgo rgr rgt ria ric rie rig rii ril rio rir rit rla rlc rle rlg rli rll rlo rlr rlt roa roc roe rog roi rol roo ror rot rra rrc rrg rri rrl rrr rrt rta rtc rte rtg rti rtl rto rtr rtt taa tac tae tag tai tal tao tar tat tca tcc tce tcg tci tcl tco tcr tct te- tea tec tee teg tei tel teo ter tet tga tgc tge tgg tgi tgl tgo tgr tgt tia tic tie tig tii til tio tir tit tla tlc tle tlg tli tll tlo tlr tlt to- toa toc toe tog toi tol too tor tot tra trc tre trg tri trl tro trr trt tta ttc tte ttg tti ttl tto ttr ttt