nse nsf nsi nsm nsn nso nsp nsr nss nsu nua nub nue nui num nun nuo nup nur nus nuu o-i oaa oab oae oaf oai oam oan oao oap oar oas oau ob- oba obb obe obf obi obm obn obo obp obr obs obu oea oeb oee oef oei oem oen oeo oep oer oes of- ofa ofb ofe off ofi ofm ofn ofo ofp ofr ofs ofu oia oib oie oif oii oim oin oio oip oir ois oiu om- oma omb ome omf omi omm omn omo omp omr oms omu on- ona onb one onf oni onn ono onp onr ons onu oo- ooa oob oof ooi oom oon ooo oop oor oos op- opa opb ope opf opi opm opn opo opp opr ops or- ora orb ore orf ori orm orn oro orp orr ors oru os- osa osb ose osf osi osm osn oso osp osr oss osu ou- oua oue ouf oui oum oun ouo oup our ous p-p paa pab pae paf pai pam pan pao pap par pas pau pba pbb pbe pbf pbi pbm pbn pbo pbp pbr pbs pbu pea peb pee pef pei pem pen peo pep per pes peu pfa pfb pfe pff pfi pfm pfn pfo pfp pfr pfs pfu pia pib pie pif pii pim pin pio pip pir pis piu pma pmb pme pmf pmi pmm pmn pmo pmp pmr pms pmu pn- pna pnb pne pnf pni pnm pnn pno pnp pnr pns pnu poa pob poe pof poi pom pon poo pop por pos pou ppa ppb ppe ppf ppi ppm ppn ppo ppp ppr pps ppu pra prb pre prf pri prm prn pro prp prr prs pru ps- psa psb pse psf psi psm psn pso psp psr pss psu pua pub pue puf pui pum pun pup pur pus puu ra- raa rab rae raf rai ram ran rao rap rar ras rau rba rbb rbe rbf rbi rbm rbn rbo rbp rbr rbs rbu re- rea reb ree ref rei rem ren reo rep rer res reu rfa rfb rfe rff rfi rfm rfn rfo rfp rfr rfs rfu ria rib rie rif rii rim rin rio rip rir ris rma rmb rme rmf rmi rmm rmn rmo rmp rmr rms rna rnb rni rnm rnn rno rnp rnr rns rnu roa rob roe rof roi rom ron roo rop ror ros rou rpa rpb rpe rpf rpi rpm rpn rpo rpp rpr rps rpu rra rrb rrf rri rrm rrn rrp rrr rrs rru rsa rsb rse rsf rsi rsm rsn rso rsp rsr rss rsu rua rub rue ruf rui rum run ruo rup rur rus ruu saa sab sae saf sai sam san sao sap sar sas sau sba sbb sbe sbf sbi sbm sbn sbo sbp sbr sbs sbu se- sea seb see sef sei sem sen seo sep ser ses seu sfa sfb sfe sff sfi sfm sfn sfo sfp sfr sfs sfu sia sib sie sif sii sim sin sio sip sir sis siu sma smb sme smf smi smm smn smo smp smr sms smu sna snb sne snf sni snm snn sno snp snr sns snu soa sob soe sof soi som son soo sop sor sos sou spa spb spe spf spi spm spn spo spp spr sps spu sr- sra srb sre srf sri srm srn sro srp srr srs ss- ssa ssb sse ssf ssi ssm ssn sso ssp ssr sss ssu sua sub sue suf sui sum sun suo sup sur sus suu ua- uaa uab uae uaf uai uam uan uao uap uar uas uau uba ubb ube ubf ubi ubn ubo ubp ubr ubs ubu uea ueb uee uef uei uem uen uep uer ues ufa ufe uff ufi ufm ufn ufo ufp ufr ufs ufu uia uib uie uif uii uim uin uio uip uir uis uiu um- uma umb ume umf umi umm umn umo ump umr ums umu un- una unb une unf uni unm unn uno unp unr uns unu uoa uob uoe uom uon uoo uop uor uos up- upa upb upe upf upi upm upn upo upp upr ups upu ur- ura urb ure urf uri urm urn uro urp urr urs uru usa usb use usf usi usm usn uso usp usr uss usu uua uue uum uun uur uus uuu