ohe ohh ohi ohl ohm oho ohr oia oic oid oie oii oil oim oio oir ola olc old ole oli oll olm olo oly om- oma omc omd ome omh omi oml omm omo omr omy oo- ooa ooc ood ooh ooi ool oom ooo oor or- ora orc ord ore orh ori orl orm oro orr ory oya oyd oye oyi oyl oyo ra- raa rac rad rae rah rai ral ram rao rar ray rca rcc rcd rce rch rci rcl rcm rco rcr rda rdc rdd rde rdh rdi rdl rdm rdo rdr rdy re- rea rec red ree reh rei rel rem reo rer rey rh- rha rhc rhd rhe rhh rhi rhl rhm rho rhr ria ric rid rie rih rii ril rim rio rir riy rla rlc rld rle rlh rli rll rlm rlo rlr rly rma rmc rmd rme rmh rmi rml rmm rmo rmr roa roc rod roe roh roi rol rom roo ror roy rra rrc rrd rrh rri rrl rrm rrr ry- rya ryc ryd rye rym ryo ryr ryy yaa yac yad yae yah yai yal yam yao yar yay yca ycc ycd yce ych yci ycl yco ycy yda yde ydl ydo ydy yea yec yed yee yeh yei yel yem yeo yer yey yha yhc yhe yhi yid yie yih yii yim yio yir ylc yld yle yli yll ylm ylr yly yma ymc yme ymi yml ymm ymo yoc yod yoe yoi yol yom yoo yor yoy yra yrc yre yro yyc yye yyy