a-a a-c aaa aac aan aao aar aau aav ac- aca acc acn aco acr acu acv an- ana anc ann ano anr anu anv aoa aoc aon aoo aor aou aov ar- ara arc arn aro arr aru arv au- aua auc aun auo aur auv av- ava avc avn avo avr avu c-- caa cac can cao car cau cav cca ccc ccn cco ccr ccu ccv cn- cna cnc cnn cno cnr cnu cnv co- coa coc con coo cor cou cov cra crc crn cro crr cru crv cua cuc cun cuo cur cuu cuv cva cvc cvn cvo cvr cvu cvv naa nac nan nao nar nau nav nca ncc ncn nco ncr ncu ncv nna nnc nnn nno nnu nnv no- noa noc non noo nor nou nov nra nrc nrn nro nrr nru nrv nua nuc nun nuo nur nuu nuv nva nvc nvn nvu nvv oaa oac oan oao oar oau oav oc- oca occ ocn oco ocr ocu ocv on- ona onc onn ono onr onu oo- ooa ooc oon ooo oor oov or- ora orc orn oro orr oru orv ou- oua ouc oun ouo our ov- ova ovc ovo ovv ra- raa rac ran rao rar rau rav rca rcc rcn rco rcr rcu rcv rna rnc rnn rno rnr rnu rnv roa roc ron roo ror rou rov rra rrc rrn rrr rru rua ruc run ruo rur ruu ruv rva rvc rvn rvo rvr rvu rvv ua- uaa uac uan uao uar uau uav uca ucc ucn uco ucr ucu ucv un- una unc unn uno unr unu unv uoa uoc uon uoo uor ur- ura urc urn uro urr uru uua uuc uun uur uuu uva uvc uvo uvu uvv v-a vaa vac van vao var vau vav vca vcc vcn vco vcr vcu vn- vna vno vnr vnu vnv voa voc von voo vor vou vov vra vrc vrn vrr vru vur vuv vva vvc vvo vvr vvv