-er -up b-p b-u bbb bbd bbe bbi bbn bbo bbp bbr bbs bbt bbu bdb bdd bde bdi bdo bdp bdr bds bdt bdu be- beb bed bee bei ben beo bep ber bes bet beu bi- bib bid bie bii bin bio bip bir bis bit biu bnb bnd bne bni bnn bno bnp bnr bns bnt bnu bob bod boe boi bon boo bop bor bos bot bou bpb bpd bpe bpi bpn bpo bpp bpr bps bpt bpu brb brd bre bri brn bro brp brr brs brt bru bsb bsd bse bsi bsn bso bsp bsr bss bst bsu btb btd bte bti btn bto btp btr bts btt btu bub bud bue bui bun buo bup bur bus but buu dbb dbd dbe dbi dbn dbo dbp dbr dbs dbt dbu ddb ddd dde ddi ddn ddo ddp ddr dds ddt ddu de- deb ded dee dei den deo dep der des det deu di- dib did die dii din dio dip dir dis dit diu dnb dnd dne dni dnn dno dnp dnr dns dnt dob dod doe doi don doo dop dor dos dot dou dpb dpd dpe dpi dpn dpo dpp dpr dps dpt dpu drb drd dre dri drn dro drp drr drs drt dru dsb dsd dse dsi dsn dso dsp dsr dss dst dsu dtb dtd dte dti dtn dto dtp dtr dts dtt dtu dub dud due dui dun duo dup dur dus dut ebb ebd ebe ebi ebn ebo ebp ebr ebs ebt ebu ed- edb edd ede edi edn edo edp edr eds edt edu eeb eed eee een eeo eep eer ees eet eib eid eie eii ein eio eip eir eis eit eiu en- enb end ene eni enn eno enp enr ens ent enu eo- eob eod eoe eoi eon eoo eop eor eos eot eou ep- epb epd epe epi epn epo epp epr eps ept epu erb erd ere eri ern ero erp err ers ert eru es- esb esd ese esi esn eso esp esr ess est esu etb etd ete eti etn eto etp etr ets ett etu eu- eub eud eue eui eun eup eur eus eut i-d ibb ibd ibe ibi ibn ibo ibp ibr ibs ibt ibu idb idd ide idi idn ido idp idr ids idt idu ie- ied iee iei ien iep ier ies iet iib iid iie iii iin iio iip iir iis iit iiu in- inb ind ine ini inn ino inp inr ins int inu io- iob iod ioe ioi ion ioo iop ior ios iot iou ipb ipd ipe ipi ipn ipo ipp ipr ips ipt ipu ir- irb ird ire iri irn iro irp irr irs irt iru is- isb isd ise isi isn iso isp isr iss ist isu itb itd ite iti itn ito itp its itt itu iu- iub iud iue iui iup iur ius iut n-i nbb nbd nbe nbi nbn nbo nbp nbr nbs nbt nbu ndb ndd nde ndi ndn ndo ndp ndr nds ndt ndu ne- neb ned nee nei nen neo nep ner nes net neu nib nid nie nii nin nio nip nir nis nit niu nnb nne nni nnn nno nnp nns nnt nnu no- nob nod noe noi non noo nop nor nos not nou npb npd npe npi npn npo npp npr nps npt npu nrb nrd nre nri nrn nro nrp nrr nrs nrt nru nsb nsd nse nsi nsn nso nsp nsr nss nst nsu ntb ntd nte nti ntn nto ntp ntr nts ntt ntu nub nud nue nui nun nuo nup nur nus nut nuu o-i ob- obb obd obe obi obn obo obp obr obs obt obu odb odd ode odi odn odo odp odr ods odt odu oeb oed oee oei oen oeo oep oer oes oet oib oid oie oii oin oio oip oir ois oit oiu on- onb ond one oni onn ono onp onr ons ont onu oo- oob ood ooi oon ooo oop oor oos oot op- opb opd ope opi opn opo opp opr ops opt or- orb ord ore ori orn oro orp orr ors ort oru os- osb osd ose osi osn oso osp osr oss ost osu ot- otb otd ote oti otn oto otp otr ots ott otu ou- oud oue oui oun ouo oup our ous out p-p pbb pbd pbe pbi pbn pbo pbp pbr pbs pbt pbu pdb pdd pde pdi pdn pdo pdp pdr pds pdt pdu peb ped pee pei pen peo pep per pes pet peu pib pid pie pii pin pio pip pir pis pit piu pn- pnb pnd pne pni pnn pno pnp pnr pns pnt pnu pob pod poe poi pon poo pop por pos pot pou ppb ppd ppe ppi ppn ppo ppp ppr pps ppt ppu prb prd pre pri prn pro prp prr prs prt pru ps- psb psd pse psi psn pso psp psr pss pst psu pt- ptb ptd pte pti ptn pto ptp ptr pts ptt ptu pub pud pue pui pun pup pur pus put puu rbb rbd rbe rbi rbn rbo rbp rbr rbs rbt rbu rdb rdd rde rdi rdn rdo rdp rdr rds rdt rdu re- reb red ree rei ren reo rep rer res ret reu rib rid rie rii rin rio rip rir ris rit rnb rnd rni rnn rno rnp rnr rns rnt rnu rob rod roe roi ron roo rop ror ros rot rou rpb rpd rpe rpi rpn rpo rpp rpr rps rpt rpu rrb rrd rri rrn rrp rrr rrs rrt rru rsb rsd rse rsi rsn rso rsp rsr rss rst rsu rtb rtd rte rti rtn rto rtp rtr rts rtt rtu rub rud rue rui run ruo rup rur rus rut ruu sbb sbd sbe sbi sbn sbo sbp sbr sbs sbt sbu sdb sdd sde sdi sdn sdo sdp sdr sds sdt