oan oao oap oar oat ob- oba obb obd obe obi obl obn obo obp obr obt oby oda odb odd ode odi odl odn odo odp odr odt oea oeb oed oee oei oel oen oeo oep oer oet oey oia oib oid oie oii oil oin oio oip oir oit ola olb old ole oli oll oln olo olp olt oly on- ona onb ond one oni onl onn ono onp onr ont ony oo- ooa oob ood ooi ool oon ooo oop oor oot op- opa opb opd ope opi opl opn opo opp opr opt opy or- ora orb ord ore ori orl orn oro orp orr ort ory ot- ota otb otd ote oti otl otn oto otp otr ott oya oyd oye oyi oyl oyo p-p paa pab pad pae pai pal pan pao pap par pat pay pba pbb pbd pbe pbi pbl pbn pbo pbp pbr pbt pby pda pdb pdd pde pdi pdl pdn pdo pdp pdr pdt pea peb ped pee pei pel pen peo pep per pet pey pia pib pid pie pii pil pin pio pip pir pit pla plb pld ple pli pll pln plo plp plr plt ply pn- pna pnb pnd pne pni pnl pnn pno pnp pnr pnt pny poa pob pod poe poi pol pon poo pop por pot poy ppa ppb ppd ppe ppi ppl ppn ppo ppp ppr ppt pra prb prd pre pri prl prn pro prp prr prt pry pt- pta ptb ptd pte pti ptl ptn pto ptp ptr ptt pty py- pya pyb pyd pye pyl pyn pyo pyr pyt ra- raa rab rad rae rai ral ran rao rap rar rat ray rba rbb rbd rbe rbi rbl rbn rbo rbp rbr rbt rda rdb rdd rde rdi rdl rdn rdo rdp rdr rdt rdy re- rea reb red ree rei rel ren reo rep rer ret rey ria rib rid rie rii ril rin rio rip rir rit riy rla rld rle rli rll rln rlo rlp rlr rlt rly rna rnb rnd rni rnn rno rnp rnr rnt rny roa rob rod roe roi rol ron roo rop ror rot roy rpa rpb rpd rpe rpi rpl rpn rpo rpp rpr rpt rra rrb rrd rri rrl rrn rrp rrr rrt rta rtb rtd rte rti rtl rtn rto rtp rtr rtt rty ry- rya ryd rye ryn ryo ryr ryy taa tab tad tae tai tal tan tao tap tar tat tay tba tbb tbd tbe tbi tbl tbn tbo tbp tbr tbt tda tdb tdd tde tdi tdl tdn tdo tdp tdr tdt tdy te- tea teb ted tee tei tel ten teo tep ter tet tey tia tib tid tie tii til tin tio tip tir tit tiy tla tld tle tli tll tln tlo tlp tlr tlt tna tnb tnd tne tni tnl tnn tno tnp tnr tnt to- toa tob tod toe toi tol ton too top tor tot toy tpa tpb tpd tpe tpi tpl tpn tpo tpp tpr tpt tra trb trd tre tri trl trn tro trp trr trt try tta ttb ttd tte tti ttl ttn tto ttp ttr ttt tty tya tyd tye tyl tyn tyo typ tyr tyt yaa yab yad yae yai yal yan yao yap yar yat yay ybe ybi ybl ybp ybr yby yda yde ydl ydn ydo ydt ydy yea yeb yed yee yei yel yen yeo yep yer yet yey yid yie yii yin yio yip yir yit yld yle yli yll ylr ylt yly yna ynd yne ynn ynp yny yob yod yoe yoi yol yon yoo yop yor yot yoy ypa ypd ypl ypo yra yre yrn yro yrp yrt yta ytd yte ytl ytn yto ytp ytr ytt yyb yye yyt yyy