obf obh obl obo obp obr obs oby oda odb odd ode odf odh odl odo odp odr ods oea oeb oed oee oef oeh oel oeo oep oer oes oey of- ofa ofb ofd ofe off ofl ofo ofp ofr ofs oha ohd ohe ohf ohh ohl oho ohp ohr ohs ola olb old ole olf oll olo olp ols oly oo- ooa oob ood oof ooh ool ooo oop oor oos op- opa opb opd ope opf oph opl opo opp opr ops opy or- ora orb ord ore orf orh orl oro orp orr ors ory os- osa osb osd ose osf osh osl oso osp osr oss oya oyd oye oyl oyo oys p-p paa pab pad pae paf pah pal pao pap par pas pay pba pbb pbd pbe pbf pbl pbo pbp pbr pbs pby pda pdb pdd pde pdf pdh pdl pdo pdp pdr pds pea peb ped pee pef peh pel peo pep per pes pey pfa pfb pfd pfe pff pfl pfo pfp pfr pfs pfy pha phb phd phe phf phl pho php phr phs phy pla plb pld ple plf plh pll plo plp plr pls ply poa pob pod poe pof poh pol poo pop por pos poy ppa ppb ppd ppe ppf pph ppl ppo ppp ppr pps pra prb prd pre prf prh prl pro prp prr prs pry ps- psa psb psd pse psf psh psl pso psp psr pss psy py- pya pyb pyd pye pyf pyl pyo pyr pys ra- raa rab rad rae raf rah ral rao rap rar ras ray rba rbb rbd rbe rbf rbh rbl rbo rbp rbr rbs rda rdb rdd rde rdf rdh rdl rdo rdp rdr rds rdy re- rea reb red ree ref reh rel reo rep rer res rey rfa rfb rfd rfe rff rfh rfl rfo rfp rfr rfs rh- rha rhb rhd rhe rhf rhh rhl rho rhp rhr rhs rla rld rle rlf rlh rll rlo rlp rlr rls rly roa rob rod roe rof roh rol roo rop ror ros roy rpa rpb rpd rpe rpf rph rpl rpo rpp rpr rps rra rrb rrd rrf rrh rrl rrp rrr rrs rsa rsb rsd rse rsf rsh rsl rso rsp rsr rss ry- rya ryd rye ryf ryo ryr rys ryy saa sab sad sae saf sah sal sao sap sar sas say sba sbb sbd sbe sbf sbh sbl sbo sbp sbr sbs sby sda sdb sdd sde sdf sdh sdl sdo sdp sdr sds sdy se- sea seb sed see sef seh sel seo sep ser ses sey sfa sfb sfd sfe sff sfh sfl sfo sfp sfr sfs sh- sha shb shd she shf shh shl sho shp shr shs shy sla slb sld sle slf slh sll slo slp slr sls sly soa sob sod soe sof soh sol soo sop sor sos soy spa spb spd spe spf sph spl spo spp spr sps spy sr- sra srb srd sre srf srh srl sro srp srr srs sry ss- ssa ssb ssd sse ssf ssh ssl sso ssp ssr sss sy- sya syb syd sye syh syl syp syr sys yaa yab yad yae yaf yah yal yao yap yar yas yay ybe ybf ybl ybp ybr ybs yby yda yde ydl ydo yds ydy yea yeb yed yee yef yeh yel yeo yep yer yes yey yfa yfd yfe yff yfr yfs yha yhe yhs yld yle yll ylr yls yly yob yod yoe yof yol yoo yop yor yos yoy ypa ypd ypf ypl ypo yps yra yre yrf yro yrp yrs ysa ysb yse ysl yso ysp ysr yss ysy yyb yye yyf yys yyy