a-a a-c aaa aac aak aan aar aau ac- aca acc ack acn acr acu aka akc akk akn akr aku an- ana anc ank ann anr anu ar- ara arc ark arn arr aru au- aua auc auk aun aur c-- caa cac cak can car cau cca ccc cck ccn ccr ccu cka ckc cn- cna cnc cnn cnr cnu cra crc crk crn crr cru cua cuc cuk cun cur cuu ka- kaa kac kak kan kar kau kca kcc kck kcn kcr kcu kkc kkk kkn kkr kku kn- kna knc knk knn knr knu kra krc krk krn krr kru kuc kuk kun kur kuu naa nac nak nan nar nau nca ncc nck ncn ncr ncu nka nkc nkk nkn nkr nku nna nnc nnk nnn nnu nra nrc nrk nrn nrr nru nua nuc nuk nun nur nuu ra- raa rac rak ran rar rau rca rcc rcn rcr rcu rkc rkk rku rna rnc rnn rnr rnu rra rrc rrk rrn rrr rru rua ruc ruk run rur ruu ua- uaa uac uak uan uar uau uca ucc uck ucn ucr ucu uka ukc ukk ukn ukr uku un- una unc unk unn unr unu ur- ura urc urk urn urr uru uua uuc uun uur uuu