-up b-p b-u bbb bbd bbi bbl bbn bbp bbr bbu bdb bdd bdi bdl bdp bdr bdu bi- bib bid bii bil bin bip bir biu blb bld bli bll bln blp blr blu bnb bnd bni bnl bnn bnp bnr bnu bpb bpd bpi bpl bpn bpp bpr bpu brb brd bri brl brn brp brr bru bub bud bui bul bun bup bur buu dbb dbd dbi dbl dbn dbp dbr dbu ddb ddd ddi ddl ddn ddp ddr ddu di- dib did dii dil din dip dir diu dl- dlb dld dli dll dlp dlr dlu dnb dnd dni dnl dnn dnp dnr dpb dpd dpi dpl dpn dpp dpr dpu drb drd dri drl drn drp drr dru dub dud dui dul dun dup dur i-d ibb ibd ibi ibl ibn ibp ibr ibu idb idd idi idl idn idp idr idu iib iid iii iil iin iip iir iiu il- ilb ild ili ill iln ilp ilr ilu in- inb ind ini inl inn inp inr inu ipb ipd ipi ipl ipn ipp ipr ipu ir- irb ird iri irl irn irp irr iru iu- iub iud iui iup iur l-p lbb lbd lbi lbl lbp lbr lbu ldb ldd ldi ldl ldn ldp ldr ldu lib lid lii lil lin lip lir liu llb lld lli lll lln llp llr llu lnb lnd lni lnl lnn lnp lnr lnu lpb lpd lpi lpl lpn lpp lpr lpu lrb lrd lri lrn lrp lrr lru lub lud lui lul lun lup lur luu n-i nbb nbd nbi nbl nbn nbp nbr nbu ndb ndd ndi ndl ndn ndp ndr ndu nib nid nii nil nin nip nir niu nlb nld nli nll nln nlp nlr nlu nnb nni nnl nnn nnp nnu npb npd npi npl npn npp npr npu nrb nrd nri nrl nrn nrp nrr nru nub nud nui nul nun nup nur nuu p-p pbb pbd pbi pbl pbn pbp pbr pbu pdb pdd pdi pdl pdn pdp pdr pdu pib pid pii pil pin pip pir piu plb pld pli pll pln plp plr plu pn- pnb pnd pni pnl pnn pnp pnr pnu ppb ppd ppi ppl ppn ppp ppr ppu prb prd pri prl prn prp prr pru pub pud pui pul pun pup pur puu rbb rbd rbi rbl rbn rbp rbr rbu rdb rdd rdi rdl rdn rdp rdr rdu rib rid rii ril rin rip rir rld rli rll rln rlp rlr rlu rnb rnd rni rnn rnp rnr rnu rpb rpd rpi rpl rpn rpp rpr rpu rrb rrd rri rrl rrn rrp rrr rru rub rud rui run rup rur ruu ubb ubi ubl ubn ubp ubr ubu udb udd udi udl udn udp udr udu uib uid uii uil uin uip uir uiu ulb uld uli ull uln ulp ulr ulu un- unb und uni unl unn unp unr unu up- upb upd upi upn upp upr upu ur- urb urd uri url urn urp urr uru uun uur uuu

bbbb bbdd bbin bblb bbpr bd-r bdii bdin bibb bibi bibl bidi bidr bidu biin bild bili bill bilu bin- bind bini binn binu bipp bipu birb bird biri birl birn birr biru bldr blin blip blir blni blub blud blup blur bnib bnin bnpp bnrr bprd brid bril brin brlp brrr brud brun brup bubb bubi bubu budb budd budi budl budu buid buin buir buiu bulb buld buli bull bulu bunb bund buni bunn bunu bur- burb burd buri burl burn burp burr buru dblp dbnl dbpd dbrn dddd ddub dibb dibp didi didu diii dili dill din- dini dinn dinu dipl dipn dipp dipu dird dirl dirr dlbd dlib dlii dlil dpin dpll dpni drib dril drin drip drub drui drup druu dub- dubb dubu dudd dudu duid duil duin duir duli dull dulu dunn duri durn duru duul duur ibid ibrd ibri idid idil idin idir idli idub idun iiii ilin ilir ill- illd illi illp ilni ilpr ilud inbd ind- indi indu inid inni innr innu inp- inpi inpp inri inui inul inun inup ipdi ipid ipil ipin ippr ipri ipur irbp irdp iri- irid iril irin irip irlb irri irul irun iuiu iupp lblr lddp libr libu lidb lidl liii liin liir lilb lili lill lilu lind linn lip- lipb lipi lipl lipp lipu lird liri lirl lirn lirp lirr liru liun lldb lldp llll llud lnbp lndn lppl lprp lrdd lrpu lrrr ludd ludi luin luli lull lulu lund luni lunn lupi lupu lurd luri luup n-ii n-up nbpp nddb ndnp ndpd ndpr ndri nibi nidd nidi niip niir niiu nild nili nill nilp nilu nind nini ninl nipr niru niur nlrb nlrp nndb nnnn nnpi nnpr npbl npin nppd nppl npri nrlb nrpn nrrd nrrl nubi nubl nudd nudi nuin nuli null nunn nurd nuri nurl nurn nurp nurr nuru pbil pblu pdpn pdpr pibb pibi piip pil- pild pili pill pilu pind pini pinn pinp pinu pipi pipp piri pirl pirn pirr piru plbr pldn plib plid plin plip plpp plri plud plup plur pnin pnld pnln pnnl pnpp pnup ppib ppid ppli pppd pppn pppp ppru ppur pri- prid prii prin prlr prnd prnp prpd prrd prri prud pruu publ pubu pudu puid puin puir puiu puli pull pulp pulu pund punu pupi pupl pupu pur- purb puri purl purp purr puru rbbb rbbr rdbp rib- ribu ridd ridi riin rill rilp rilu rind rinn ripd ripi ripl ripp ripr riri rlin rnbr rndp rnin rnld rnli rpdp rpii rppn rrrr rrun rubb rubi rubp rubu rudd rudi rudl rudp ruid ruin rull rund runi runn rupp rurd ruri rurp ruru ruud ruun u-rp ubbi ubid ubii ubir ubli ubud uddi udid udin udir udpd udun uipi uirr ulli ullr ulul unbd undi uni- unii unin unir unlp unni upin uplb upnp uppp uppu upri upup urbi urdu urib urin uriu urni urri urun urup urur uulu uuni uuri uuuu

bibin bibri