nsn nso nsp nsr nss nsu nua nub nuc nud nuh nui nun nuo nup nur nus nuu o-i oaa oab oac oad oah oai oan oao oap oar oas oau ob- oba obb obc obd obh obi obn obo obp obr obs obu oc- oca ocb occ ocd och oci ocn oco ocp ocr ocs ocu oda odb odc odd odh odi odn odo odp odr ods odu oha ohc ohd ohh ohi ohn oho ohp ohr ohs ohu oia oib oic oid oii oin oio oip oir ois oiu on- ona onb onc ond onh oni onn ono onp onr ons onu oo- ooa oob ooc ood ooh ooi oon ooo oop oor oos op- opa opb opc opd oph opi opn opo opp opr ops or- ora orb orc ord orh ori orn oro orp orr ors oru os- osa osb osc osd osh osi osn oso osp osr oss osu ou- oua ouc oud ouh oui oun ouo oup our ous p-p paa pab pac pad pah pai pan pao pap par pas pau pba pbb pbc pbd pbi pbn pbo pbp pbr pbs pbu pca pcb pcc pcd pch pci pcn pco pcp pcr pcs pcu pda pdb pdc pdd pdh pdi pdn pdo pdp pdr pds pdu pha phb phc phd phi phn pho php phr phs phu pia pib pic pid pih pii pin pio pip pir pis piu pn- pna pnb pnc pnd pnh pni pnn pno pnp pnr pns pnu poa pob poc pod poh poi pon poo pop por pos pou ppa ppb ppc ppd pph ppi ppn ppo ppp ppr pps ppu pra prb prc prd prh pri prn pro prp prr prs pru ps- psa psb psc psd psh psi psn pso psp psr pss psu pua pub puc pud puh pui pun pup pur pus puu ra- raa rab rac rad rah rai ran rao rap rar ras rau rba rbb rbc rbd rbh rbi rbn rbo rbp rbr rbs rbu rca rcb rcc rcd rch rci rcn rco rcp rcr rcs rcu rda rdb rdc rdd rdh rdi rdn rdo rdp rdr rds rdu rh- rha rhb rhc rhd rhh rhi rhn rho rhp rhr rhs rhu ria rib ric rid rih rii rin rio rip rir ris rna rnb rnc rnd rnh rni rnn rno rnp rnr rns rnu roa rob roc rod roh roi ron roo rop ror ros rou rpa rpb rpc rpd rph rpi rpn rpo rpp rpr rps rpu rra rrb rrc rrd rrh rri rrn rrp rrr rrs rru rsa rsb rsc rsd rsh rsi rsn rso rsp rsr rss rsu rua rub ruc rud ruh rui run ruo rup rur rus ruu saa sab sac sad sah sai san sao sap sar sas sau sba sbb sbc sbd sbh sbi sbn sbo sbp sbr sbs sbu sca scb scc scd sch sci scn sco scp scr scs scu sda sdb sdc sdd sdh sdi sdn sdo sdp sdr sds sdu sh- sha shb shc shd shh shi shn sho shp shr shs shu sia sib sic sid sih sii sin sio sip sir sis siu sna snb snc snd sni snn sno snp snr sns snu soa sob soc sod soh soi son soo sop sor sos sou spa spb spc spd sph spi spn spo spp spr sps spu sr- sra srb src srd srh sri srn sro srp srr srs ss- ssa ssb ssc ssd ssh ssi ssn sso ssp ssr sss ssu sua sub suc sud suh sui sun suo sup sur sus suu ua- uaa uab uac uad uah uai uan uao uap uar uas uau uba ubb ubc ubh ubi ubn ubo ubp ubr ubs ubu uca ucb ucc ucd uch uci ucn uco ucp ucr ucs ucu uda udb udc udd udi udn udo udp udr uds udu uha uhb uhc uhd uhh uhi uho uhp uhr uhs uhu uia uib uic uid uii uin uio uip uir uis uiu un- una unb unc und unh uni unn uno unp unr uns unu uoa uob uoc uod uon uoo uop uor uos up- upa upb upc upd uph upi upn upo upp upr ups upu ur- ura urb urc urd uri urn uro urp urr urs uru usa usb usc usd ush usi usn uso usp usr uss usu uua uuc uun uur uus uuu