a-a a-c a-t aaa aac aak aao aar aat aaw ac- aca acc ack aco acr act acw aka akc akk ako akr akw aoa aoc aok aoo aor aot aow ar- ara arc ark aro arr art arw at- ata atc ato atr att atw aw- awa awc awk awo awr awt aww c-- caa cac cak cao car cat caw cca ccc cck cco ccr cct ccw cka ckc cko ckt ckw co- coa coc cok coo cor cot cow cra crc crk cro crr crt crw cta ctc ctk cto ctr ctt ctw cw- cwa cwc cwk cwo cwr cwt k-t ka- kaa kac kak kao kar kat kaw kca kcc kck kcr kct kkc kkk kkr kkt koa koc kok koo kor kot kow kra krc krk kro krr krt krw kta ktc ktk kto ktr ktt ktw kw- kwa kwc kwk kwo kwt kww oaa oac oak oao oar oat oaw oc- oca occ ock oco ocr oct ocw oka okc okk oko okr okw oo- ooa ooc ook ooo oor oot oow or- ora orc ork oro orr ort ot- ota otc otk oto otr ott otw owa owc owk owo owt oww ra- raa rac rak rao rar rat raw rca rcc rco rcr rct rcw rkc rkk rko rkt roa roc rok roo ror rot row rra rrc rrk rrr rrt rta rtc rtk rto rtr rtt rtw rwa rwc rwr taa tac tak tao tar tat taw tca tcc tck tco tcr tct tcw tka tkc tkk tko tkr tkt tkw to- toa toc tok too tor tot tow tra trc trk tro trr trt trw tta ttc ttk tto ttr ttt ttw twa twc two twr twt tww waa wac wak wao war wat waw wca wcc wck wco wcr wct wcw wka wkc wko wkr wkt wkw woa woc wok woo wor wot wow wr- wra wrc wrk wro wrr wrt wrw wta wtc wto wtr wtt wtw wwa wwc wwo wwt www