a-a a-c aaa aac aah aao aar aav aay ac- aca acc ach aco acr acv acy aha ahc ahh aho ahr ahv ahy aoa aoc aoh aoo aor aov ar- ara arc arh aro arr arv ary av- ava avc avh avo avr avy ay- aya ayc ayh ayo ayr c-- caa cac cah cao car cav cay cca ccc cch cco ccr ccv ch- cha chc chh cho chr chv chy co- coa coc coh coo cor cov coy cra crc crh cro crr crv cry cva cvc cvh cvo cvr cvv cya cyc cyo cyr haa hac hah hao har hav hay hca hcc hch hco hcr hcv hcy hha hhc hhh hho hhr hhv hhy hoa hoc hoh hoo hor hov hoy hr- hra hrc hrh hro hrr hrv hv- hva hvc hvo hvr hvv hvy hy- hya hyc hyh hyo hyr hyv hyy oaa oac oah oao oar oav oc- oca occ och oco ocr ocv oha ohc ohh oho ohr oo- ooa ooc ooh ooo oor oov or- ora orc orh oro orr orv ory ov- ova ovc ovh ovo ovv oya oyo ra- raa rac rah rao rar rav ray rca rcc rch rco rcr rcv rh- rha rhc rhh rho rhr rhv roa roc roh roo ror rov roy rra rrc rrh rrr rva rvc rvh rvo rvr rvv rvy ry- rya ryc ryo ryr ryy v-a vaa vac vah vao var vav vay vca vcc vch vco vcr vcy vh- vha vhc vho voa voc voh voo vor vov voy vra vrc vrh vrr vry vva vvc vvo vvr vvv yaa yac yah yao yar yav yay yca ycc ych yco ycv ycy yha yhc yoc yoo yor yoy yra yrc yro yva yvo yvr yvy yyc yyy