a-a a-c aaa aac aaf aao aar aau aav aay ac- aca acc acf aco acr acu acv acy af- afa afc aff afo afr afu afv afy aoa aoc aof aoo aor aou aov ar- ara arc arf aro arr aru arv ary au- aua auc auf auo aur auv av- ava avc avf avo avr avu avy ay- aya ayc ayf ayo ayr ayu c-- caa cac caf cao car cau cav cay cca ccc ccf cco ccr ccu ccv cfa cfc cff cfo cfr cfu cfv co- coa coc cof coo cor cou cov coy cra crc crf cro crr cru crv cry cua cuc cuf cuo cur cuu cuv cuy cva cvc cvf cvo cvr cvu cvv cya cyc cyf cyo cyr faa fac faf fao far fau fav fay fca fcc fcf fco fcr fcu fcv fcy ffa ffc fff ffo ffr ffu ffv ffy foa foc fof foo for fou foy fra frc frf fro frr fru fry fua fuf fuo fur fuu fuv fva fvc fy- fya fyc fyo oaa oac oaf oao oar oau oav oc- oca occ ocf oco ocr ocu ocv of- ofa ofc off ofo ofr ofu ofv oo- ooa ooc oof ooo oor oov or- ora orc orf oro orr oru orv ory ou- oua ouc ouf ouo our ov- ova ovc ovf ovo ovv oya oyo ra- raa rac raf rao rar rau rav ray rca rcc rcf rco rcr rcu rcv rfa rfc rff rfo rfr rfu rfv roa roc rof roo ror rou rov roy rra rrc rrf rrr rru rua ruc ruf ruo rur ruu ruv ruy rva rvc rvf rvo rvr rvu rvv rvy ry- rya ryc ryf ryo ryr ryu ryy ua- uaa uac uaf uao uar uau uav uay uca ucc ucf uco ucr ucu ucv ufa ufc uff ufo ufr ufu ufv uoa uoc uoo uor ur- ura urc urf uro urr uru ury uua uuc uur uuu uva uvc uvf uvo uvu uvv uyc uyo uyu v-a vaa vac vao var vau vav vay vca vcc vcf vco vcr vcu vcy vfa vfc vff vfr vfu vfv voa voc vof voo vor vou vov voy vra vrc vrf vrr vru vry vur vuv vva vvc vvo vvr vvv vyf yaa yac yaf yao yar yau yav yay yca ycc ycf yco ycu ycv ycy yfa yfc yff yfr yfu yoc yof yoo yor you yoy yra yrc yrf yro yru yua yuo yur yuu yuv yuy yva yvo yvr yvy yyc yyf yyu yyy