-al -ol a-a a-t aaa aag aal aao aas aat aax ag- aga agg agl ago ags agt agx al- ala alg all alo als alt alx aoa aog aol aoo aos aot aox as- asa asg asl aso ass ast asx at- ata atg atl ato ats att atx ax- axa axl axo axs axt axx gaa gag gal gao gas gat gga ggg ggo ggs ggt gla glg gll glo gls glt glx goa gog gol goo gos got gox gsa gsg gsl gso gss gst gsx gta gtg gtl gto gts gtt gtx gxa gxl gxs gxt la- laa lag lal lao las lat lax lga lgg lgl lgo lgs lgt lla llg lll llo lls llt loa log lol loo los lot lox lsa lsg lsl lso lss lst lta ltg ltl lto lts ltt ltx lxo lxx oaa oag oal oao oas oat oax oga ogg ogl ogo ogs ogt ogx ola olg oll olo ols olt oo- ooa oog ool ooo oos oot oox os- osa osg osl oso oss ost osx ot- ota otg otl oto ots ott ox- oxa oxo oxt oxx saa sag sal sao sas sat sax sga sgg sgl sgo sgs sgt sgx sla slg sll slo sls slt slx soa sog sol soo sos sot sox ss- ssa ssg ssl sso sss sst ssx sta stg stl sto sts stt stx sxl sxs sxt t-x taa tag tal tao tas tat tax tga tgg tgl tgo tgs tgt tla tlg tll tlo tls tlt tlx to- toa tog tol too tos tot tox tsa tsg tsl tso tss tst tsx tta ttg ttl tto tts ttt ttx txl txs txt xaa xag xal xas xat xgl xla xlg xls xlt xoa xog xoo xos xot xox xsa xsl xss xst xts xtx xxl xxo xxx