a-a a-c a-t aaa aac aaf aak aao aar aat aau ac- aca acc acf ack aco acr act acu af- afa afc aff afk afo afr aft afu aka akc akk ako akr aku aoa aoc aof aok aoo aor aot aou ar- ara arc arf ark aro arr art aru at- ata atc atf ato atr att atu au- aua auc auf auk auo aur aut c-- caa cac caf cak cao car cat cau cca ccc ccf cck cco ccr cct ccu cfa cfc cff cfk cfo cfr cft cfu cka ckc cko ckt co- coa coc cof cok coo cor cot cou cra crc crf crk cro crr crt cru cta ctc ctf ctk cto ctr ctt ctu cua cuc cuf cuk cuo cur cut cuu faa fac faf fak fao far fat fau fca fcc fcf fck fco fcr fct fcu ffa ffc fff ffk ffo ffr fft ffu fka fkc fkf fkk fkt foa foc fof fok foo for fot fou fra frc frf frk fro frr frt fru fta ftc ftf ftk fto ftr ftt ftu fua fuf fuk fuo fur fut fuu k-t ka- kaa kac kaf kak kao kar kat kau kca kcc kck kcr kct kcu kfa kfc kff kfo kfu kkc kkk kkr kkt kku koa koc kof kok koo kor kot kou kra krc krf krk kro krr krt kru kta ktc ktf ktk kto ktr ktt ktu kuc kuk kur kut kuu oaa oac oaf oak oao oar oat oau oc- oca occ ocf ock oco ocr oct ocu of- ofa ofc off ofo ofr oft ofu oka okc okk oko okr oku oo- ooa ooc oof ook ooo oor oot or- ora orc orf ork oro orr ort oru ot- ota otc otf otk oto otr ott otu ou- oua ouc ouf ouk ouo our out ra- raa rac raf rak rao rar rat rau rca rcc rcf rco rcr rct rcu rfa rfc rff rfk rfo rfr rft rfu rkc rkf rkk rko rkt rku roa roc rof rok roo ror rot rou rra rrc rrf rrk rrr rrt rru rta rtc rtf rtk rto rtr rtt rtu rua ruc ruf ruk ruo rur rut ruu taa tac taf tak tao tar tat tau tca tcc tcf tck tco tcr tct tcu tfa tfc tff tfk tfo tfr tft tfu tka tkc tkk tko tkr tkt to- toa toc tof tok too tor tot tou tra trc trf trk tro trr trt tru tta ttc ttf ttk tto ttr ttt ttu tua tuc tuf tuk tuo tur tut tuu ua- uaa uac uaf uak uao uar uat uau uca ucc ucf uck uco ucr uct ucu ufa ufc uff ufo ufr uft ufu uka ukc ukf ukk ukr uku uoa uoc uok uoo uor uot ur- ura urc urf urk uro urr urt uru uta utc utf utk uto utr utt utu uua uuc uur uut uuu