a-a a-c aaa aac aad aak aar aau ac- aca acc acd ack acr acu ad- ada adc add adk adr adu aka akc akd akk akr aku ar- ara arc ard ark arr aru au- aua auc aud auk aur c-- caa cac cad cak car cau cca ccc ccd cck ccr ccu cda cdc cdd cdk cdr cdu cka ckc ckd cra crc crd crk crr cru cua cuc cud cuk cur cuu daa dac dad dak dar dau dca dcc dcd dck dcr dcu dda ddc ddd ddk ddr ddu dka dkc dkk dkr dku dra drc drd drk drr dru dua duc dud duk dur ka- kaa kac kad kak kar kau kca kcc kcd kck kcr kcu kda kdc kdk kdr kdu kkc kkk kkr kku kra krc krd krk krr kru kuc kud kuk kur kuu ra- raa rac rad rak rar rau rca rcc rcd rcr rcu rda rdc rdd rdr rdu rkc rkk rku rra rrc rrd rrk rrr rru rua ruc rud ruk rur ruu ua- uaa uac uad uak uar uau uca ucc ucd uck ucr ucu uda udc udd udk udr udu uka ukc ukk ukr uku ur- ura urc urd urk urr uru uua uuc uur uuu