-al -ic -ol a-a a-c a-i a-t aaa aac aai aal aao aat aax ac- aca acc aci acl aco act acx ai- aia aic aii ail aio ait aix al- ala alc ali all alo alt alx aoa aoc aoi aol aoo aot aox at- ata atc ati atl ato att atx ax- axa axi axl axo axt axx c-- caa cac cai cal cao cat cax cca ccc cci ccl cco cct ccx ci- cia cic cii cil cio cit cix cl- cla clc cli cll clo clt clx co- coa coc coi col coo cot cox cta ctc cti ctl cto ctt ctx cxc cxi cxl cxo cxt cxx ia- iaa iac iai ial iao iat ica icc ici icl ico ict iia iic iii iil iio iit iix il- ila ilc ili ill ilo ilt ilx io- ioa ioc ioi iol ioo iot ita itc iti itl ito itt itx ixc ixi ixl la- laa lac lai lal lao lat lax lca lcc lci lcl lco lct lcx lia lic lii lil lio lit lix lla llc lli lll llo llt loa loc loi lol loo lot lox lta ltc lti ltl lto ltt ltx lxc lxi lxo lxx o-i oaa oac oai oal oao oat oax oc- oca occ oci ocl oco oct ocx oia oic oii oil oio oit ola olc oli oll olo olt oo- ooa ooc ooi ool ooo oot oox ot- ota otc oti otl oto ott ox- oxa oxc oxi oxo oxt oxx t-x taa tac tai tal tao tat tax tca tcc tci tcl tco tct tcx tia tic tii til tio tit tix tla tlc tli tll tlo tlt tlx to- toa toc toi tol too tot tox tta ttc tti ttl tto ttt ttx txi txl txt xaa xac xal xat xci xcl xcx xia xic xii xio xit xix xla xli xlt xoa xoc xoi xoo xot xox xtc xti xtx xxi xxl xxo xxx