-al -ic -ol a-a a-c a-i aaa aac aag aai aal aao aas aax ac- aca acc acg aci acl aco acs acx ag- aga agc agg agi agl ago ags agx ai- aia aic aig aii ail aio ais aix al- ala alc alg ali all alo als alx aoa aoc aog aoi aol aoo aos aox as- asa asc asg asi asl aso ass asx ax- axa axi axl axo axs axx c-- caa cac cag cai cal cao cas cax cca ccc ccg cci ccl cco ccs ccx cga cgc cgg cgi cgl cgo cgs ci- cia cic cig cii cil cio cis cix cl- cla clc clg cli cll clo cls clx co- coa coc cog coi col coo cos cox csa csc csg csi csl cso css csx cxc cxi cxl cxo cxs cxx gaa gac gag gai gal gao gas gca gcc gcg gci gcl gco gcs gga ggc ggg ggi ggo ggs gia gic gig gii gil gio gis gla glc glg gli gll glo gls glx goa goc gog goi gol goo gos gox gsa gsc gsg gsi gsl gso gss gsx gxa gxl gxs ia- iaa iac iag iai ial iao ias ica icc icg ici icl ico ics iga igc igg igi igl igo igs iia iic iii iil iio iis iix il- ila ilc ilg ili ill ilo ils ilx io- ioa ioc iog ioi iol ioo ios is- isa isc isg isi isl iso iss ixc ixi ixl la- laa lac lag lai lal lao las lax lca lcc lcg lci lcl lco lcs lcx lga lgc lgg lgi lgl lgo lgs lia lic lig lii lil lio lis lix lla llc llg lli lll llo lls loa loc log loi lol loo los lox lsa lsc lsg lsi lsl lso lss lxc lxi lxo lxx o-i oaa oac oag oai oal oao oas oax oc- oca occ ocg oci ocl oco ocs ocx oga ogc ogg ogi ogl ogo ogs ogx oia oic oii oil oio ois ola olc olg oli oll olo ols oo- ooa ooc oog ooi ool ooo oos oox os- osa osc osg osi osl oso oss osx ox- oxa oxc oxi oxo oxx saa sac sag sai sal sao sas sax sca scc scg sci scl sco scs scx sga sgc sgg sgi sgl sgo sgs sgx sia sic sig sii sil sio sis six sla slc slg sli sll slo sls slx soa soc sog soi sol soo sos sox ss- ssa ssc ssg ssi ssl sso sss ssx sxc sxi sxl sxs xaa xac xag xal xas xci xcl xcx xgi xgl xia xic xii xio xis xix xla xlg xli xls xoa xoc xog xoi xoo xos xox xsa xsc xsi xsl xss xxi xxl xxo xxx