onh onl onn ono onr ony oo- ooa ooc oof oog ooh ool oon ooo oor or- ora orc ore orf org orh orl orn oro orr ory oya oye oyl oyo ra- raa rac rae raf rag rah ral ran rao rar ray rca rcc rce rcf rcg rch rcl rcn rco rcr re- rea rec ree ref reg reh rel ren reo rer rey rfa rfc rfe rff rfg rfh rfl rfn rfo rfr rga rgc rge rgf rgg rgh rgn rgo rgr rh- rha rhc rhe rhf rhg rhh rhl rhn rho rhr rla rlc rle rlf rlg rlh rll rln rlo rlr rly rna rnc rng rnh rnn rno rnr rny roa roc roe rof rog roh rol ron roo ror roy rra rrc rrf rrg rrh rrl rrn rrr ry- rya ryc rye ryf ryg ryn ryo ryr ryy yaa yac yae yaf yag yah yal yan yao yar yay yca ycc yce ycf ych ycl yco ycy yea yec yee yef yeg yeh yel yen yeo yer yey yfa yfc yfe yff yfr yga ygc ygl ygo yha yhc yhe ylc yle ylg yll ylr yly yna yne yng ynn yny yoc yoe yof yog yol yon yoo yor yoy yra yrc yre yrf yrg yrn yro yyc yye yyf yyg yyy