-al -ic -ol a-a a-c a-i aaa aac aag aai aal aao aax ac- aca acc acg aci acl aco acx ag- aga agc agg agi agl ago agx ai- aia aic aig aii ail aio aix al- ala alc alg ali all alo alx aoa aoc aog aoi aol aoo aox ax- axa axi axl axo axx c-- caa cac cag cai cal cao cax cca ccc ccg cci ccl cco ccx cga cgc cgg cgi cgl cgo ci- cia cic cig cii cil cio cix cl- cla clc clg cli cll clo clx co- coa coc cog coi col coo cox cxc cxi cxl cxo cxx gaa gac gag gai gal gao gca gcc gcg gci gcl gco gga ggc ggg ggi ggo gia gic gig gii gil gio gla glc glg gli gll glo glx goa goc gog goi gol goo gox gxa gxl ia- iaa iac iag iai ial iao ica icc icg ici icl ico iga igc igg igi igl igo iia iic iii iil iio iix il- ila ilc ilg ili ill ilo ilx io- ioa ioc iog ioi iol ioo ixc ixi ixl la- laa lac lag lai lal lao lax lca lcc lcg lci lcl lco lcx lga lgc lgg lgi lgl lgo lia lic lig lii lil lio lix lla llc llg lli lll llo loa loc log loi lol loo lox lxc lxi lxo lxx o-i oaa oac oag oai oal oao oax oc- oca occ ocg oci ocl oco ocx oga ogc ogg ogi ogl ogo ogx oia oic oii oil oio ola olc olg oli oll olo oo- ooa ooc oog ooi ool ooo oox ox- oxa oxc oxi oxo oxx xaa xac xag xal xci xcl xcx xgi xgl xia xic xii xio xix xla xlg xli xoa xoc xog xoi xoo xox xxi xxl xxo xxx