a-a a-c a-t aaa aac aak aan aar aat ac- aca acc ack acn acr act aka akc akk akn akr an- ana anc ank ann anr ant ar- ara arc ark arn arr art at- ata atc atn atr att c-- caa cac cak can car cat cca ccc cck ccn ccr cct cka ckc ckt cn- cna cnc cnn cnr cnt cra crc crk crn crr crt cta ctc ctk ctn ctr ctt k-t ka- kaa kac kak kan kar kat kca kcc kck kcn kcr kct kkc kkk kkn kkr kkt kn- kna knc knk knn knr knt kra krc krk krn krr krt kta ktc ktk ktn ktr ktt naa nac nak nan nar nat nca ncc nck ncn ncr nct nka nkc nkk nkn nkr nkt nna nnc nnk nnn nnt nra nrc nrk nrn nrr nrt nta ntc ntk ntn ntr ntt ra- raa rac rak ran rar rat rca rcc rcn rcr rct rkc rkk rkt rna rnc rnn rnr rnt rra rrc rrk rrn rrr rrt rta rtc rtk rtn rtr rtt taa tac tak tan tar tat tca tcc tck tcn tcr tct tka tkc tkk tkr tkt tna tnc tnk tnn tnr tnt tra trc trk trn trr trt tta ttc ttk ttn ttr ttt