a-a a-c aaa aac aak aao aas aaw aay ac- aca acc ack aco acs acw acy aka akc akk ako aks akw aoa aoc aok aoo aos aow as- asa asc ask aso ass asw asy aw- awa awc awk awo aws aww awy ay- aya ayc ayk ayo ays ayw c-- caa cac cak cao cas caw cay cca ccc cck cco ccs ccw cka ckc cko cks ckw cky co- coa coc cok coo cos cow coy csa csc csk cso css csw csy cw- cwa cwc cwk cwo cws cya cyc cyk cyo cys cyw ka- kaa kac kak kao kas kaw kay kca kcc kck kcs kkc kkk kks kky koa koc kok koo kos kow koy ksa ksc ksk kso kss ksw kw- kwa kwc kwk kwo kws kww kya kyc kyo kys kyw oaa oac oak oao oas oaw oc- oca occ ock oco ocs ocw oka okc okk oko oks okw oo- ooa ooc ook ooo oos oow os- osa osc osk oso oss osw owa owc owk owo ows oww oya oyo oys saa sac sak sao sas saw say sca scc sck sco scs scw sk- ska skc skk sko sks skw sky soa soc sok soo sos sow soy ss- ssa ssc ssk sso sss ssw swa swc swk swo sws swy sy- sya syc syk sys waa wac wak wao was waw way wca wcc wck wco wcs wcw wka wkc wko wks wkw wky woa woc wok woo wos wow woy wsa wsc wsk wso wss wsw wwa wwc wwo www wy- wya wyc wyk wyo wys yaa yac yak yao yas yaw yay yca ycc yco ycs ycw ycy yka ykk yoc yok yoo yos yow yoy ysa ysc ysk yso yss ysy ywc yyc yys yyy