-al -er -ic -ol a-a a-c a-i aaa aac aae aag aai aal aao aar ac- aca acc ace acg aci acl aco acr aea aec aee aeg aei ael aeo aer ag- aga agc age agg agi agl ago agr ai- aia aic aie aig aii ail aio air al- ala alc ale alg ali all alo alr aoa aoc aoe aog aoi aol aoo aor ar- ara arc are arg ari arl aro arr c-- caa cac cae cag cai cal cao car cca ccc cce ccg cci ccl cco ccr ce- cea cec cee ceg cei cel ceo cer cga cgc cge cgg cgi cgl cgo cgr ci- cia cic cie cig cii cil cio cir cl- cla clc cle clg cli cll clo clr co- coa coc coe cog coi col coo cor cra crc cre crg cri crl cro crr eaa eac eae eag eai eal eao ear ec- eca ecc ece ecg eci ecl eco ecr eea eec eee eeg eel eeo eer ega egc ege egg egi egl ego egr eia eic eie eig eii eil eio eir ela elc ele elg eli ell elo elr eo- eoa eoc eoe eog eoi eol eoo eor era erc ere erg eri erl ero err gaa gac gae gag gai gal gao gar gca gcc gce gcg gci gcl gco gcr ge- gea gec gee geg gei gel geo ger gga ggc ggg ggi ggo ggr gia gic gie gig gii gil gio gir gla glc gle glg gli gll glo glr goa goc goe gog goi gol goo gor gra grc gre grg gri grl gro grr ia- iaa iac iae iag iai ial iao iar ica icc ice icg ici icl ico icr ie- iea iec iee ieg iei iel ier iga igc ige igg igi igl igo igr iia iic iie iii iil iio iir il- ila ilc ile ilg ili ill ilo ilr io- ioa ioc ioe iog ioi iol ioo ior ir- ira irc ire irg iri irl iro irr la- laa lac lae lag lai lal lao lar lca lcc lce lcg lci lcl lco lcr lea lec lee leg lei lel leo ler lga lgc lge lgg lgi lgl lgo lgr lia lic lie lig lii lil lio lir lla llc lle llg lli lll llo llr loa loc loe log loi lol loo lor lra lrc lrg lri lro lrr o-i oaa oac oae oag oai oal oao oar oc- oca occ ocg oci ocl oco ocr oea oec oee oeg oei oel oeo oer oga ogc oge ogg ogi ogl ogo oia oic oie oii oil oio oir ola olc ole olg oli oll olo oo- ooa ooc oog ooi ool ooo oor or- ora orc ore org ori orl oro orr ra- raa rac rae rag rai ral rao rar rca rcc rce rcg rci rcl rco rcr re- rea rec ree reg rei rel reo rer rga rgc rge rgg rgi rgo rgr ria ric rie rig rii ril rio rir rla rlc rle rlg rli rll rlo rlr roa roc roe rog roi rol roo ror rra rrc rrg rri rrl rrr