a-a a-c aaa aac aad aak aan aar aau ac- aca acc acd ack acn acr acu ad- ada adc add adk adn adr adu aka akc akd akk akn akr aku an- ana anc and ank ann anr anu ar- ara arc ard ark arn arr aru au- aua auc aud auk aun aur c-- caa cac cad cak can car cau cca ccc ccd cck ccn ccr ccu cda cdc cdd cdk cdn cdr cdu cka ckc ckd cn- cna cnc cnd cnn cnr cnu cra crc crd crk crn crr cru cua cuc cud cuk cun cur cuu daa dac dad dak dan dar dau dca dcc dcd dck dcn dcr dcu dda ddc ddd ddk ddn ddr ddu dka dkc dkk dkr dku dna dnc dnd dnk dnn dnr dra drc drd drk drn drr dru dua duc dud duk dun dur ka- kaa kac kad kak kan kar kau kca kcc kcd kck kcn kcr kcu kda kdc kdk kdr kdu kkc kkk kkn kkr kku kn- kna knc knd knk knn knr knu kra krc krd krk krn krr kru kuc kud kuk kun kur kuu naa nac nad nak nan nar nau nca ncc ncd nck ncn ncr ncu nda ndc ndd ndk ndn ndr ndu nka nkc nkk nkn nkr nku nna nnc nnk nnn nnu nra nrc nrd nrk nrn nrr nru nua nuc nud nuk nun nur nuu ra- raa rac rad rak ran rar rau rca rcc rcd rcn rcr rcu rda rdc rdd rdn rdr rdu rkc rkk rku rna rnc rnd rnn rnr rnu rra rrc rrd rrk rrn rrr rru rua ruc rud ruk run rur ruu ua- uaa uac uad uak uan uar uau uca ucc ucd uck ucn ucr ucu uda udc udd udk udn udr udu uka ukc ukk ukn ukr uku un- una unc und unk unn unr unu ur- ura urc urd urk urn urr uru uua uuc uun uur uuu