knk knl knn kno knr knu kob koc kod koh koi kok kol kon koo kor kos kou krc krd kri krk krl krn kro krr krs kru ksb ksc ksd ksh ksi ksk ksl ksn kso ksr kss ksu kub kuc kud kuh kui kuj kuk kul kun kur kus kuu lbb lbc lbd lbh lbi lbj lbk lbl lbo lbr lbs lbu lcb lcc lcd lch lci lcj lck lcl lcn lco lcr lcs lcu ldb ldc ldd ldh ldi ldj ldk ldl ldn ldo ldr lds ldu lhb lhc lhd lhh lhi lhk lho lhr lhs lhu lib lic lid lih lii lij lik lil lin lio lir lis liu ljj ljn ljs lju lkb lkh lkl lkr lks llb llc lld lli llj llk lll lln llo llr lls llu lnb lnc lnd lnh lni lnk lnl lnn lno lnr lns lnu lob loc lod loh loi loj lok lol lon loo lor los lou lrb lrc lrd lrh lri lrk lrn lro lrr lrs lru lsb lsc lsd lsh lsi lsj lsk lsl lsn lso lsr lss lsu lub luc lud luh lui luk lul lun luo lur lus luu n-i nbb nbc nbd nbi nbk nbl nbn nbo nbr nbs nbu ncb ncc ncd nch nci nck ncl ncn nco ncr ncs ncu ndb ndc ndd ndh ndi ndk ndl ndn ndo ndr nds ndu nhb nhc nhd nhh nhi nhj nhk nhl nhn nhr nhs nhu nib nic nid nih nii nik nil nin nio nir nis niu njc njk njl njn njs nju nkc nki nkj nkk nkn nko nkr nks nku nlb nlc nld nlh nli nlj nlk nll nln nlo nlr nls nlu nnb nnc nnh nni nnk nnl nnn nno nns nnu no- nob noc nod noh noi noj nok nol non noo nor nos nou nrb nrc nrd nri nrj nrk nrl nrn nro nrr nrs nru nsb nsc nsd nsh nsi nsk nsl nsn nso nsr nss nsu nub nuc nud nuh nui nuj nuk nul nun nuo nur nus nuu o-i ob- obb obc obd obh obi obj obk obl obn obo obr obs obu oc- ocb occ ocd och oci ocj ock ocl ocn oco ocr ocs ocu odb odc odd odh odi odl odn odo odr ods odu ohc ohd ohh ohi ohl ohn oho ohr ohs ohu oib oic oid oii oik oil oin oio oir ois oiu ojb ojc ojd oji ojo ojs oju okb okc okd oki okj okk okl oko okr oks oku olb olc old oli olk oll oln olo ols olu on- onb onc ond onh oni onj onk onl onn ono onr ons onu oo- oob ooc ood ooh ooi ook ool oon ooo oor oos or- orb orc ord orh ori ork orl orn oro orr ors oru os- osb osc osd osh osi osj osk osl osn oso osr oss osu ou- ouc oud ouh oui ouk oul oun ouo our ous rbb rbc rbd rbh rbi rbk rbl rbn rbo rbr rbs rbu rcb rcc rcd rch rci rcj rcl rcn rco rcr rcs rcu rdb rdc rdd rdh rdi rdj rdl rdn rdo rdr rds rdu rh- rhb rhc rhd rhh rhi rhl rhn rho rhr rhs rhu rib ric rid rih rii rik ril rin rio rir ris rjc rjk rjr rkb rkc rkk rko rks rku rlc rld rlh rli rll rln rlo rlr rls rlu rnb rnc rnd rnh rni rnn rno rnr rns rnu rob roc rod roh roi roj rok rol ron roo ror ros rou rrb rrc rrd rrh rri rrk rrl rrn rrr rrs rru rsb rsc rsd rsh rsi rsj rsk rsl rsn rso rsr rss rsu rub ruc rud ruh rui ruk run ruo rur rus ruu sbb sbc sbd sbh sbi sbj sbk sbl sbn sbo sbr sbs sbu scb scc scd sch sci scj sck scl scn sco scr scs scu sdb sdc sdd sdh sdi sdj sdk sdl sdn sdo sdr sds sdu sh- shb shc shd shh shi shk shl shn sho shr shs shu sib sic sid sih sii sij sik sil sin sio sir sis siu sjb sjc sjd sjh sji sjj sjk sjr sjs sju sk- skb skc skd skh ski skj skk skl sko skr sks sku slb slc sld slh sli slj slk sll sln slo slr sls slu snb snc snd sni snj snk snl snn sno snr sns snu sob soc sod soh soi soj sok sol son soo sor sos sou sr- srb src srd srh sri srj srk srl srn sro srr srs ss- ssb ssc ssd ssh ssi ssj ssk ssl ssn sso ssr sss ssu sub suc sud suh sui suk sul sun suo sur sus suu ubb ubc ubh ubi ubk ubl ubn ubo ubr ubs ubu ucb ucc ucd uch uci ucj uck ucl ucn uco ucr ucs ucu udb udc udd udi udj udk udl udn udo udr uds udu uhb uhc uhd uhh uhi uhj uhl uho uhr uhs uhu uib uic uid uii uil uin uio uir uis uiu ujc uji ujo ujs ukb ukc uki ukk ukl ukn ukr uku ulb ulc uld uli ulk ull uln ulo ulr uls ulu un- unb unc und unh uni unk unl unn uno unr uns unu uob uoc uod uoj uok uol uon uoo uor uos ur- urb urc urd uri urk url urn uro urr urs uru usb usc usd ush usi usj usk usl usn uso usr uss usu uuc uun uur uus uuu

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