-al -ic -ol a-a a-c a-i aaa aac aag aai aal aao aar aas ac- aca acc acg aci acl aco acr acs ag- aga agc agg agi agl ago agr ags ai- aia aic aig aii ail aio air ais al- ala alc alg ali all alo alr als aoa aoc aog aoi aol aoo aor aos ar- ara arc arg ari arl aro arr ars as- asa asc asg asi asl aso asr ass c-- caa cac cag cai cal cao car cas cca ccc ccg cci ccl cco ccr ccs cga cgc cgg cgi cgl cgo cgr cgs ci- cia cic cig cii cil cio cir cis cl- cla clc clg cli cll clo clr cls co- coa coc cog coi col coo cor cos cra crc crg cri crl cro crr crs csa csc csg csi csl cso csr css gaa gac gag gai gal gao gar gas gca gcc gcg gci gcl gco gcr gcs gga ggc ggg ggi ggo ggr ggs gia gic gig gii gil gio gir gis gla glc glg gli gll glo glr gls goa goc gog goi gol goo gor gos gra grc grg gri grl gro grr grs gsa gsc gsg gsi gsl gso gsr gss ia- iaa iac iag iai ial iao iar ias ica icc icg ici icl ico icr ics iga igc igg igi igl igo igr igs iia iic iii iil iio iir iis il- ila ilc ilg ili ill ilo ilr ils io- ioa ioc iog ioi iol ioo ior ios ir- ira irc irg iri irl iro irr irs is- isa isc isg isi isl iso isr iss la- laa lac lag lai lal lao lar las lca lcc lcg lci lcl lco lcr lcs lga lgc lgg lgi lgl lgo lgr lgs lia lic lig lii lil lio lir lis lla llc llg lli lll llo llr lls loa loc log loi lol loo lor los lra lrc lrg lri lro lrr lrs lsa lsc lsg lsi lsl lso lsr lss o-i oaa oac oag oai oal oao oar oas oc- oca occ ocg oci ocl oco ocr ocs oga ogc ogg ogi ogl ogo ogs oia oic oii oil oio oir ois ola olc olg oli oll olo ols oo- ooa ooc oog ooi ool ooo oor oos or- ora orc org ori orl oro orr ors os- osa osc osg osi osl oso osr oss ra- raa rac rag rai ral rao rar ras rca rcc rcg rci rcl rco rcr rcs rga rgc rgg rgi rgo rgr rgs ria ric rig rii ril rio rir ris rla rlc rlg rli rll rlo rlr rls roa roc rog roi rol roo ror ros rra rrc rrg rri rrl rrr rrs rsa rsc rsg rsi rsl rso rsr rss saa sac sag sai sal sao sar sas sca scc scg sci scl sco scr scs sga sgc sgg sgi sgl sgo sgr sgs sia sic sig sii sil sio sir sis sla slc slg sli sll slo slr sls soa soc sog soi sol soo sor sos sr- sra src srg sri srl sro srr srs ss- ssa ssc ssg ssi ssl sso ssr sss