a-a a-c a-t aaa aac aaf aak aao aas aat aaw aax ac- aca acc acf ack aco acs act acw acx af- afa afc aff afk afo afs aft afw afx aka akc akk ako aks akw aoa aoc aof aok aoo aos aot aow aox as- asa asc asf ask aso ass ast asw asx at- ata atc atf ato ats att atw atx aw- awa awc awf awk awo aws awt aww ax- axa axk axo axs axt axx c-- caa cac caf cak cao cas cat caw cax cca ccc ccf cck cco ccs cct ccw ccx cfa cfc cff cfk cfo cfs cft cfw cfx cka ckc cko cks ckt ckw ckx co- coa coc cof cok coo cos cot cow cox csa csc csf csk cso css cst csw csx cta ctc ctf ctk cto cts ctt ctw ctx cw- cwa cwc cwk cwo cws cwt cxc cxf cxk cxo cxs cxt cxx faa fac faf fak fao fas fat faw fax fca fcc fcf fck fco fcs fct fcw fcx ffa ffc fff ffk ffo ffs fft ffw ffx fka fkc fkf fkk fkt foa foc fof fok foo fos fot fow fox fsa fsc fsf fsk fso fss fst fsw fsx fta ftc ftf ftk fto fts ftt ftw ftx fwa fwc fwf fwo fws fwt fwx fxs fxt fxx k-t ka- kaa kac kaf kak kao kas kat kaw kax kca kcc kck kcs kct kcx kfa kfc kff kfo kfs kfw kfx kkc kkk kks kkt koa koc kof kok koo kos kot kow ksa ksc ksf ksk kso kss kst ksw kta ktc ktf ktk kto kts ktt ktw kw- kwa kwc kwf kwk kwo kws kwt kww kxo oaa oac oaf oak oao oas oat oaw oax oc- oca occ ocf ock oco ocs oct ocw ocx of- ofa ofc off ofo ofs oft ofw ofx oka okc okk oko oks okw oo- ooa ooc oof ook ooo oos oot oow oox os- osa osc osf osk oso oss ost osw osx ot- ota otc otf otk oto ots ott otw owa owc owf owk owo ows owt oww ox- oxa oxc oxf oxo oxt oxx saa sac saf sak sao sas sat saw sax sca scc scf sck sco scs sct scw scx sfa sfc sff sfk sfo sfs sft sfw sfx sk- ska skc skf skk sko sks skt skw skx soa soc sof sok soo sos sot sow sox ss- ssa ssc ssf ssk sso sss sst ssw ssx sta stc stf stk sto sts stt stw stx swa swc swf swk swo sws swt sxc sxs sxt t-x taa tac taf tak tao tas tat taw tax tca tcc tcf tck tco tcs tct tcw tcx tfa tfc tff tfk tfo tfs tft tfw tfx tka tkc tkk tko tks tkt tkw to- toa toc tof tok too tos tot tow tox tsa tsc tsf tsk tso tss tst tsw tsx tta ttc ttf ttk tto tts ttt ttw ttx twa twc twf two tws twt tww twx txf txk txs txt waa wac waf wak wao was wat waw wax wca wcc wcf wck wco wcs wct wcw wcx wfa wfc wff wfk wfo wfs wft wfw wka wkc wkf wko wks wkt wkw woa woc wof wok woo wos wot wow wox wsa wsc wsf wsk wso wss wst wsw wsx wta wtc wtf wto wts wtt wtw wtx wwa wwc wwf wwo wwt www wxc wxw xaa xac xaf xak xas xat xcf xcx xfa xfs xft xfx xks xoa xoc xof xok xoo xos xot xox xsa xsc xss xst xtc xtf xts xtx xwa xwt xxo xxx