-ol b-u bbb bbd bbk bbl bbn bbo bbr bbu bdb bdd bdj bdk bdl bdo bdr bdu bjd bjj bjk bjn bjr bju bkb bkk bkl bkn bko bkr blb bld blj blk bll bln blo blr blu bnb bnd bnj bnk bnl bnn bno bnr bnu bob bod boj bok bol bon boo bor bou brb brd brj brk brl brn bro brr bru bub bud buj buk bul bun buo bur buu dbb dbd dbk dbl dbn dbo dbr dbu ddb ddd ddk ddl ddn ddo ddr ddu dj- djb djd djk djl djo dkb dkk dkl dko dkr dku dl- dlb dld dlj dlk dll dlo dlr dlu dnb dnd dnj dnk dnl dnn dno dnr dob dod doj dok dol don doo dor dou drb drd drj drk drl drn dro drr dru dub dud duk dul dun duo dur j-d jbj jbk jbl jbo jbr jbu jdb jdl jdn jdo jdr jjb jjj jjk jjl jjr jju jkb jkk jkl jkn jko jkr jku jlb jll jln jlo jlr jlu jnd jnj jnl jnn jno jnr jnu job jod joj jok jol jon joo jor jou jrb jrk jrl jrn jro jrr jub jud juk jul jun juo jur kbb kbd kbk kbl kbn kbo kbr kbu kdb kdk kdl kdo kdr kdu kjb kjr kju kkb kkk kkl kkn kkr kku kl- klb kld klo klr klu kn- knd knk knl knn kno knr knu kob kod kok kol kon koo kor kou krd krk krl krn kro krr kru kub kud kuj kuk kul kun kur kuu lbb lbd lbj lbk lbl lbo lbr lbu ldb ldd ldj ldk ldl ldn ldo ldr ldu ljj ljn lju lkb lkl lkr llb lld llj llk lll lln llo llr llu lnb lnd lnk lnl lnn lno lnr lnu lob lod loj lok lol lon loo lor lou lrb lrd lrk lrn lro lrr lru lub lud luk lul lun luo lur luu nbb nbd nbk nbl nbn nbo nbr nbu ndb ndd ndk ndl ndn ndo ndr ndu njk njl njn nju nkj nkk nkn nko nkr nku nlb nld nlj nlk nll nln nlo nlr nlu nnb nnk nnl nnn nno nnu no- nob nod noj nok nol non noo nor nou nrb nrd nrj nrk nrl nrn nro nrr nru nub nud nuj nuk nul nun nuo nur nuu ob- obb obd obj obk obl obn obo obr obu odb odd odl odn odo odr odu ojb ojd ojo oju okb okd okj okk okl oko okr oku olb old olk oll oln olo olu on- onb ond onj onk onl onn ono onr onu oo- oob ood ook ool oon ooo oor or- orb ord ork orl orn oro orr oru ou- oud ouk oul oun ouo our rbb rbd rbk rbl rbn rbo rbr rbu rdb rdd rdj rdl rdn rdo rdr rdu rjk rjr rkb rkk rko rku rld rll rln rlo rlr rlu rnb rnd rnn rno rnr rnu rob rod roj rok rol ron roo ror rou rrb rrd rrk rrl rrn rrr rru rub rud ruk run ruo rur ruu ubb ubk ubl ubn ubo ubr ubu udb udd udj udk udl udn udo udr udu ujo ukb ukk ukl ukn ukr uku ulb uld ulk ull uln ulo ulr ulu un- unb und unk unl unn uno unr unu uob uod uoj uok uol uon uoo uor ur- urb urd urk url urn uro urr uru uun uur uuu