-al -ic -ol a-a a-c a-i aaa aac aag aai aal aao aar ac- aca acc acg aci acl aco acr ag- aga agc agg agi agl ago agr ai- aia aic aig aii ail aio air al- ala alc alg ali all alo alr aoa aoc aog aoi aol aoo aor ar- ara arc arg ari arl aro arr c-- caa cac cag cai cal cao car cca ccc ccg cci ccl cco ccr cga cgc cgg cgi cgl cgo cgr ci- cia cic cig cii cil cio cir cl- cla clc clg cli cll clo clr co- coa coc cog coi col coo cor cra crc crg cri crl cro crr gaa gac gag gai gal gao gar gca gcc gcg gci gcl gco gcr gga ggc ggg ggi ggo ggr gia gic gig gii gil gio gir gla glc glg gli gll glo glr goa goc gog goi gol goo gor gra grc grg gri grl gro grr ia- iaa iac iag iai ial iao iar ica icc icg ici icl ico icr iga igc igg igi igl igo igr iia iic iii iil iio iir il- ila ilc ilg ili ill ilo ilr io- ioa ioc iog ioi iol ioo ior ir- ira irc irg iri irl iro irr la- laa lac lag lai lal lao lar lca lcc lcg lci lcl lco lcr lga lgc lgg lgi lgl lgo lgr lia lic lig lii lil lio lir lla llc llg lli lll llo llr loa loc log loi lol loo lor lra lrc lrg lri lro lrr o-i oaa oac oag oai oal oao oar oc- oca occ ocg oci ocl oco ocr oga ogc ogg ogi ogl ogo oia oic oii oil oio oir ola olc olg oli oll olo oo- ooa ooc oog ooi ool ooo oor or- ora orc org ori orl oro orr ra- raa rac rag rai ral rao rar rca rcc rcg rci rcl rco rcr rga rgc rgg rgi rgo rgr ria ric rig rii ril rio rir rla rlc rlg rli rll rlo rlr roa roc rog roi rol roo ror rra rrc rrg rri rrl rrr