ntt ntu nub nuc nud nue nug nui nun nuo nur nus nut nuu o-i ob- obb obc obd obe obg obi obn obo obr obs obt obu oc- ocb occ ocd ocg oci ocn oco ocr ocs oct ocu odb odc odd ode odg odi odn odo odr ods odt odu oeb oec oed oee oeg oei oen oeo oer oes oet ogc ogd oge ogg ogi ogn ogo ogs ogt oib oic oid oie oii oin oio oir ois oit oiu on- onb onc ond one ong oni onn ono onr ons ont onu oo- oob ooc ood oog ooi oon ooo oor oos oot or- orb orc ord ore org ori orn oro orr ors ort oru os- osb osc osd ose osg osi osn oso osr oss ost osu ot- otb otc otd ote otg oti otn oto otr ots ott otu ou- ouc oud oue oui oun ouo our ous out rbb rbc rbd rbe rbg rbi rbn rbo rbr rbs rbt rbu rcb rcc rcd rce rcg rci rcn rco rcr rcs rct rcu rdb rdc rdd rde rdg rdi rdn rdo rdr rds rdt rdu re- reb rec red ree reg rei ren reo rer res ret reu rgb rgc rgd rge rgg rgi rgn rgo rgr rgs rgt rib ric rid rie rig rii rin rio rir ris rit rnb rnc rnd rng rni rnn rno rnr rns rnt rnu rob roc rod roe rog roi ron roo ror ros rot rou rrb rrc rrd rrg rri rrn rrr rrs rrt rru rsb rsc rsd rse rsg rsi rsn rso rsr rss rst rsu rtb rtc rtd rte rtg rti rtn rto rtr rts rtt rtu rub ruc rud rue rug rui run ruo rur rus rut ruu sbb sbc sbd sbe sbg sbi sbn sbo sbr sbs sbt sbu scb scc scd sce scg sci scn sco scr scs sct scu sdb sdc sdd sde sdg sdi sdn sdo sdr sds sdt sdu se- seb sec sed see seg sei sen seo ser ses set seu sgb sgc sgd sge sgg sgi sgn sgo sgr sgs sgt sgu sib sic sid sie sig sii sin sio sir sis sit siu snb snc snd sne sng sni snn sno snr sns snt snu sob soc sod soe sog soi son soo sor sos sot sou sr- srb src srd sre srg sri srn sro srr srs srt ss- ssb ssc ssd sse ssg ssi ssn sso ssr sss sst ssu stb stc std ste stg sti stn sto str sts stt stu sub suc sud sue sug sui sun suo sur sus sut suu tbb tbc tbd tbe tbg tbi tbn tbo tbr tbs tbt tbu tcb tcc tcd tce tcg tci tcn tco tcr tcs tct tcu tdb tdc tdd tde tdg tdi tdn tdo tdr tds tdt tdu te- teb tec ted tee teg tei ten teo ter tes tet teu tgb tgc tge tgg tgi tgn tgo tgr tgs tgt tgu tib tic tid tie tig tii tin tio tir tis tit tiu tnb tnc tnd tne tng tni tnn tno tnr tns tnt to- tob toc tod toe tog toi ton too tor tos tot tou trb trc trd tre trg tri trn tro trr trs trt tru tsb tsc tsd tse tsg tsi tsn tso tsr tss tst tsu ttb ttc ttd tte ttg tti ttn tto ttr tts ttt ttu tub tuc tud tue tug tui tun tuo tur tus tut tuu ubb ubc ube ubg ubi ubn ubo ubr ubs ubt ubu ucb ucc ucd uce ucg uci ucn uco ucr ucs uct ucu udb udc udd ude udg udi udn udo udr uds udt udu ueb uec ued uee ueg uei uen uer ues uet ugb ugc uge ugg ugi ugn ugo ugr ugs ugt ugu uib uic uid uie uig uii uin uio uir uis uit uiu un- unb unc und une ung uni unn uno unr uns unt unu uob uoc uod uoe uog uon uoo uor uos uot ur- urb urc urd ure urg uri urn uro urr urs urt uru usb usc usd use usg usi usn uso usr uss ust usu utb utc utd ute uti utn uto utr uts utt utu uuc uue uug uun uur uus uut uuu