oar oas ob- oba obb obe obi obl obm obn obo obp obr obs oby oea oeb oee oei oel oem oen oeo oep oer oes oey oia oib oie oii oil oim oin oio oip oir ois ola olb ole oli oll olm oln olo olp ols oly om- oma omb ome omi oml omm omn omo omp omr oms omy on- ona onb one oni onl onn ono onp onr ons ony oo- ooa oob ooi ool oom oon ooo oop oor oos op- opa opb ope opi opl opm opn opo opp opr ops opy or- ora orb ore ori orl orm orn oro orp orr ors ory os- osa osb ose osi osl osm osn oso osp osr oss oya oye oyi oyl oyo oys p-p paa pab pae pai pal pam pan pao pap par pas pay pba pbb pbe pbi pbl pbm pbn pbo pbp pbr pbs pby pea peb pee pei pel pem pen peo pep per pes pey pia pib pie pii pil pim pin pio pip pir pis pla plb ple pli pll plm pln plo plp plr pls ply pma pmb pme pmi pml pmm pmn pmo pmp pmr pms pn- pna pnb pne pni pnl pnm pnn pno pnp pnr pns pny poa pob poe poi pol pom pon poo pop por pos poy ppa ppb ppe ppi ppl ppm ppn ppo ppp ppr pps pra prb pre pri prl prm prn pro prp prr prs pry ps- psa psb pse psi psl psm psn pso psp psr pss psy py- pya pyb pye pyl pym pyn pyo pyr pys ra- raa rab rae rai ral ram ran rao rap rar ras ray rba rbb rbe rbi rbl rbm rbn rbo rbp rbr rbs re- rea reb ree rei rel rem ren reo rep rer res rey ria rib rie rii ril rim rin rio rip rir ris riy rla rle rli rll rlm rln rlo rlp rlr rls rly rma rmb rme rmi rml rmm rmn rmo rmp rmr rms rna rnb rni rnm rnn rno rnp rnr rns rny roa rob roe roi rol rom ron roo rop ror ros roy rpa rpb rpe rpi rpl rpm rpn rpo rpp rpr rps rra rrb rri rrl rrm rrn rrp rrr rrs rsa rsb rse rsi rsl rsm rsn rso rsp rsr rss ry- rya rye rym ryn ryo ryr rys ryy saa sab sae sai sal sam san sao sap sar sas say sba sbb sbe sbi sbl sbm sbn sbo sbp sbr sbs sby se- sea seb see sei sel sem sen seo sep ser ses sey sia sib sie sii sil sim sin sio sip sir sis sla slb sle sli sll slm sln slo slp slr sls sly sma smb sme smi sml smm smn smo smp smr sms smy sna snb sne sni snl snm snn sno snp snr sns sny soa sob soe soi sol som son soo sop sor sos soy spa spb spe spi spl spm spn spo spp spr sps spy sr- sra srb sre sri srl srm srn sro srp srr srs sry ss- ssa ssb sse ssi ssl ssm ssn sso ssp ssr sss sy- sya syb sye syi syl sym syn syp syr sys yaa yab yae yai yal yam yan yao yap yar yas yay ybe ybi ybl ybm ybp ybr ybs yby yea yeb yee yei yel yem yen yeo yep yer yes yey yie yii yim yin yio yip yir yis yle yli yll ylm ylr yls yly yma yme ymi yml ymm ymo yms yna yne ynn ynp yns yny yob yoe yoi yol yom yon yoo yop yor yos yoy ypa ypl ypo yps yra yre yrn yro yrp yrs ysa ysb yse ysi ysl ysm yso ysp ysr yss ysy yyb yye yys yyy