ohi ohl oho ohr oia oic oid oie oii oil oio oir ola olc old ole olg oli oll olo oly oo- ooa ooc ood oog ooh ooi ool ooo oor or- ora orc ord ore org orh ori orl oro orr ory oya oyd oye oyi oyl oyo ra- raa rac rad rae rag rah rai ral rao rar ray rca rcc rcd rce rcg rch rci rcl rco rcr rda rdc rdd rde rdg rdh rdi rdl rdo rdr rdy re- rea rec red ree reg reh rei rel reo rer rey rga rgc rgd rge rgg rgh rgi rgo rgr rh- rha rhc rhd rhe rhg rhh rhi rhl rho rhr ria ric rid rie rig rih rii ril rio rir riy rla rlc rld rle rlg rlh rli rll rlo rlr rly roa roc rod roe rog roh roi rol roo ror roy rra rrc rrd rrg rrh rri rrl rrr ry- rya ryc ryd rye ryg ryo ryr ryy yaa yac yad yae yag yah yai yal yao yar yay yca ycc ycd yce ych yci ycl yco ycy yda yde ydg ydl ydo ydy yea yec yed yee yeg yeh yei yel yeo yer yey yga ygc ygl ygo yha yhc yhe yhi yid yie yig yih yii yio yir ylc yld yle ylg yli yll ylr yly yoc yod yoe yog yoi yol yoo yor yoy yra yrc yre yrg yro yyc yye yyg yyy