a-a a-c aaa aac aak aan aar aas aau ac- aca acc ack acn acr acs acu aka akc akk akn akr aks aku an- ana anc ank ann anr ans anu ar- ara arc ark arn arr ars aru as- asa asc ask asn asr ass asu au- aua auc auk aun aur aus c-- caa cac cak can car cas cau cca ccc cck ccn ccr ccs ccu cka ckc cks cn- cna cnc cnn cnr cns cnu cra crc crk crn crr crs cru csa csc csk csn csr css csu cua cuc cuk cun cur cus cuu ka- kaa kac kak kan kar kas kau kca kcc kck kcn kcr kcs kcu kkc kkk kkn kkr kks kku kn- kna knc knk knn knr knu kra krc krk krn krr krs kru ksa ksc ksk ksn ksr kss ksu kuc kuk kun kur kus kuu naa nac nak nan nar nas nau nca ncc nck ncn ncr ncs ncu nka nkc nkk nkn nkr nks nku nna nnc nnk nnn nns nnu nra nrc nrk nrn nrr nrs nru nsa nsc nsk nsn nsr nss nsu nua nuc nuk nun nur nus nuu ra- raa rac rak ran rar ras rau rca rcc rcn rcr rcs rcu rkc rkk rks rku rna rnc rnn rnr rns rnu rra rrc rrk rrn rrr rrs rru rsa rsc rsk rsn rsr rss rsu rua ruc ruk run rur rus ruu saa sac sak san sar sas sau sca scc sck scn scr scs scu sk- ska skc skk skr sks sku sna snc snk snn snr sns snu sr- sra src srk srn srr srs ss- ssa ssc ssk ssn ssr sss ssu sua suc suk sun sur sus suu ua- uaa uac uak uan uar uas uau uca ucc uck ucn ucr ucs ucu uka ukc ukk ukn ukr uku un- una unc unk unn unr uns unu ur- ura urc urk urn urr urs uru usa usc usk usn usr uss usu uua uuc uun uur uus uuu