-al -ic -ol a-a a-c a-i aaa aac aag aai aal aan aao aax ac- aca acc acg aci acl acn aco acx ag- aga agc agg agi agl agn ago agx ai- aia aic aig aii ail ain aio aix al- ala alc alg ali all aln alo alx an- ana anc ang ani anl ann ano anx aoa aoc aog aoi aol aon aoo aox ax- axa axi axl axn axo axx c-- caa cac cag cai cal can cao cax cca ccc ccg cci ccl ccn cco ccx cga cgc cgg cgi cgl cgn cgo ci- cia cic cig cii cil cin cio cix cl- cla clc clg cli cll cln clo clx cn- cna cnc cng cni cnl cnn cno cnx co- coa coc cog coi col con coo cox cxc cxi cxl cxo cxx gaa gac gag gai gal gan gao gca gcc gcg gci gcl gcn gco gga ggc ggg ggi ggn ggo gia gic gig gii gil gin gio gla glc glg gli gll gln glo glx gna gnc gni gnl gnn gno goa goc gog goi gol gon goo gox gxa gxl ia- iaa iac iag iai ial ian iao ica icc icg ici icl icn ico iga igc igg igi igl ign igo iia iic iii iil iin iio iix il- ila ilc ilg ili ill iln ilo ilx in- ina inc ing ini inl inn ino inx io- ioa ioc iog ioi iol ion ioo ixc ixi ixl ixn la- laa lac lag lai lal lan lao lax lca lcc lcg lci lcl lcn lco lcx lga lgc lgg lgi lgl lgn lgo lia lic lig lii lil lin lio lix lla llc llg lli lll lln llo lna lnc lng lni lnl lnn lno loa loc log loi lol lon loo lox lxc lxi lxo lxx n-i naa nac nag nai nal nan nao nax nca ncc ncg nci ncl ncn nco ncx nga ngc ngg ngi ngl ngn ngo nia nic nig nii nil nin nio nix nla nlc nlg nli nll nln nlo nlx nna nnc nng nni nnl nnn nno no- noa noc nog noi nol non noo nox nxc nxl o-i oaa oac oag oai oal oan oao oax oc- oca occ ocg oci ocl ocn oco ocx oga ogc ogg ogi ogl ogn ogo ogx oia oic oii oil oin oio ola olc olg oli oll oln olo on- ona onc ong oni onl onn ono onx oo- ooa ooc oog ooi ool oon ooo oox ox- oxa oxc oxi oxn oxo oxx xaa xac xag xal xan xci xcl xcx xgi xgl xia xic xii xin xio xix xla xlg xli xna xnc xno xoa xoc xog xoi xon xoo xox xxi xxl xxo xxx