a-a a-c aaa aac aad aar aau aav ac- aca acc acd acr acu acv ad- ada adc add adr adu adv ar- ara arc ard arr aru arv au- aua auc aud aur auv av- ava avc avd avr avu c-- caa cac cad car cau cav cca ccc ccd ccr ccu ccv cda cdc cdd cdr cdu cdv cra crc crd crr cru crv cua cuc cud cur cuu cuv cva cvc cvd cvr cvu cvv daa dac dad dar dau dav dca dcc dcd dcr dcu dcv dda ddc ddd ddr ddu dra drc drd drr dru drv dua duc dud dur duv dva dvc dvd dvr dvu ra- raa rac rad rar rau rav rca rcc rcd rcr rcu rcv rda rdc rdd rdr rdu rdv rra rrc rrd rrr rru rua ruc rud rur ruu ruv rva rvc rvd rvr rvu rvv ua- uaa uac uad uar uau uav uca ucc ucd ucr ucu ucv uda udc udd udr udu udv ur- ura urc urd urr uru uua uuc uur uuu uva uvc uvu uvv v-a vaa vac vad var vau vav vca vcc vcd vcr vcu vdc vdd vdr vdu vdv vra vrc vrd vrr vru vur vuv vva vvc vvr vvv