onr onx ony oo- ooa ooc ooh ooi ool oon ooo oop oor oox op- opa opc ope oph opi opl opn opo opp opr opx opy or- ora orc ore orh ori orl orn oro orp orr orx ory ox- oxa oxc oxi oxn oxo oxx oxy oya oye oyi oyl oyo p-p paa pac pae pah pai pal pan pao pap par pax pay pca pcc pce pch pci pcl pcn pco pcp pcr pcx pea pec pee peh pei pel pen peo pep per pex pey pha phc phe phi phl phn pho php phr phx phy pia pic pie pih pii pil pin pio pip pir pix pla plc ple plh pli pll pln plo plp plr plx ply pn- pna pnc pne pnh pni pnl pnn pno pnp pnr pnx pny poa poc poe poh poi pol pon poo pop por pox poy ppa ppc ppe pph ppi ppl ppn ppo ppp ppr ppx pra prc pre prh pri prl prn pro prp prr prx pry pxc pxe pxl pxr py- pya pyc pye pyl pyn pyo pyr pyx ra- raa rac rae rah rai ral ran rao rap rar rax ray rca rcc rce rch rci rcl rcn rco rcp rcr rcx re- rea rec ree reh rei rel ren reo rep rer rex rey rh- rha rhc rhe rhh rhi rhl rhn rho rhp rhr ria ric rie rih rii ril rin rio rip rir rix riy rla rlc rle rlh rli rll rln rlo rlp rlr rly rna rnc rnh rni rnn rno rnp rnr rny roa roc roe roh roi rol ron roo rop ror rox roy rpa rpc rpe rph rpi rpl rpn rpo rpp rpr rpx rra rrc rrh rri rrl rrn rrp rrr rxp rxr ry- rya ryc rye ryn ryo ryr ryy xaa xac xal xan xap xar xch xci xcl xcp xcr xcx xee xel xen xep xer xex xhp xia xic xie xii xin xio xix xla xli xlr xna xnc xno xoa xoc xoi xon xoo xop xor xox xpa xpc xpe xpl xpn xpo xpp xrc xrx xry xxi xxl xxo xxp xxx xxy xyl xyp xyr xyy yaa yac yae yah yai yal yan yao yap yar yax yay yca ycc yce ych yci ycl yco ycp ycy yea yec yee yeh yei yel yen yeo yep yer yex yey yha yhc yhe yhi yie yih yii yin yio yip yir ylc yle yli yll ylr yly yna yne ynn ynp yny yoc yoe yoi yol yon yoo yop yor yox yoy ypa ypl ypo yra yrc yre yrn yro yrp yxa yxe yxy yyc yye yyy