onn ono onp onr onx ony oo- ooa oob ooc ooh ool oon ooo oop oor oox op- opa opb opc ope oph opl opn opo opp opr opx opy or- ora orb orc ore orh orl orn oro orp orr orx ory ox- oxa oxb oxc oxn oxo oxx oxy oya oye oyl oyo p-p paa pab pac pae pah pal pan pao pap par pax pay pba pbb pbc pbe pbl pbn pbo pbp pbr pbx pby pca pcb pcc pce pch pcl pcn pco pcp pcr pcx pea peb pec pee peh pel pen peo pep per pex pey pha phb phc phe phl phn pho php phr phx phy pla plb plc ple plh pll pln plo plp plr plx ply pn- pna pnb pnc pne pnh pnl pnn pno pnp pnr pnx pny poa pob poc poe poh pol pon poo pop por pox poy ppa ppb ppc ppe pph ppl ppn ppo ppp ppr ppx pra prb prc pre prh prl prn pro prp prr prx pry pxc pxe pxl pxr py- pya pyb pyc pye pyl pyn pyo pyr pyx ra- raa rab rac rae rah ral ran rao rap rar rax ray rba rbb rbc rbe rbh rbl rbn rbo rbp rbr rbx rca rcb rcc rce rch rcl rcn rco rcp rcr rcx re- rea reb rec ree reh rel ren reo rep rer rex rey rh- rha rhb rhc rhe rhh rhl rhn rho rhp rhr rla rlc rle rlh rll rln rlo rlp rlr rly rna rnb rnc rnh rnn rno rnp rnr rny roa rob roc roe roh rol ron roo rop ror rox roy rpa rpb rpc rpe rph rpl rpn rpo rpp rpr rpx rra rrb rrc rrh rrl rrn rrp rrr rxp rxr ry- rya ryc rye ryn ryo ryr ryy xaa xac xal xan xap xar xbc xbe xbl xbr xbx xcb xch xcl xcp xcr xcx xee xel xen xep xer xex xhp xla xlb xlr xna xnc xno xoa xoc xon xoo xop xor xox xpa xpb xpc xpe xpl xpn xpo xpp xrc xrx xry xxl xxo xxp xxx xxy xyl xyp xyr xyy yaa yab yac yae yah yal yan yao yap yar yax yay ybc ybe ybl ybp ybr yby yca ycc yce ych ycl yco ycp ycy yea yeb yec yee yeh yel yen yeo yep yer yex yey yha yhc yhe ylc yle yll ylr yly yna yne ynn ynp yny yob yoc yoe yol yon yoo yop yor yox yoy ypa ypl ypo yra yrc yre yrn yro yrp yxa yxe yxy yyb yyc yye yyy