-er -up b-p b-u bbb bbd bbe bbi bbn bbo bbp bbr bbt bbu bdb bdd bde bdi bdo bdp bdr bdt bdu be- beb bed bee bei ben beo bep ber bet beu bi- bib bid bie bii bin bio bip bir bit biu bnb bnd bne bni bnn bno bnp bnr bnt bnu bob bod boe boi bon boo bop bor bot bou bpb bpd bpe bpi bpn bpo bpp bpr bpt bpu brb brd bre bri brn bro brp brr brt bru btb btd bte bti btn bto btp btr btt btu bub bud bue bui bun buo bup bur but buu dbb dbd dbe dbi dbn dbo dbp dbr dbt dbu ddb ddd dde ddi ddn ddo ddp ddr ddt ddu de- deb ded dee dei den deo dep der det deu di- dib did die dii din dio dip dir dit diu dnb dnd dne dni dnn dno dnp dnr dnt dob dod doe doi don doo dop dor dot dou dpb dpd dpe dpi dpn dpo dpp dpr dpt dpu drb drd dre dri drn dro drp drr drt dru dtb dtd dte dti dtn dto dtp dtr dtt dtu dub dud due dui dun duo dup dur dut ebb ebd ebe ebi ebn ebo ebp ebr ebt ebu ed- edb edd ede edi edn edo edp edr edt edu eeb eed eee een eeo eep eer eet eib eid eie eii ein eio eip eir eit eiu en- enb end ene eni enn eno enp enr ent enu eo- eob eod eoe eoi eon eoo eop eor eot eou ep- epb epd epe epi epn epo epp epr ept epu erb erd ere eri ern ero erp err ert eru etb etd ete eti etn eto etp etr ett etu eu- eub eud eue eui eun eup eur eut i-d ibb ibd ibe ibi ibn ibo ibp ibr ibt ibu idb idd ide idi idn ido idp idr idt idu ie- ied iee iei ien iep ier iet iib iid iie iii iin iio iip iir iit iiu in- inb ind ine ini inn ino inp inr int inu io- iob iod ioe ioi ion ioo iop ior iot iou ipb ipd ipe ipi ipn ipo ipp ipr ipt ipu ir- irb ird ire iri irn iro irp irr irt iru itb itd ite iti itn ito itp itt itu iu- iub iud iue iui iup iur iut n-i nbb nbd nbe nbi nbn nbo nbp nbr nbt nbu ndb ndd nde ndi ndn ndo ndp ndr ndt ndu ne- neb ned nee nei nen neo nep ner net neu nib nid nie nii nin nio nip nir nit niu nnb nne nni nnn nno nnp nnt nnu no- nob nod noe noi non noo nop nor not nou npb npd npe npi npn npo npp npr npt npu nrb nrd nre nri nrn nro nrp nrr nrt nru ntb ntd nte nti ntn nto ntp ntr ntt ntu nub nud nue nui nun nuo nup nur nut nuu o-i ob- obb obd obe obi obn obo obp obr obt obu odb odd ode odi odn odo odp odr odt odu oeb oed oee oei oen oeo oep oer oet oib oid oie oii oin oio oip oir oit oiu on- onb ond one oni onn ono onp onr ont onu oo- oob ood ooi oon ooo oop oor oot op- opb opd ope opi opn opo opp opr opt or- orb ord ore ori orn oro orp orr ort oru ot- otb otd ote oti otn oto otp otr ott otu ou- oud oue oui oun ouo oup our out p-p pbb pbd pbe pbi pbn pbo pbp pbr pbt pbu pdb pdd pde pdi pdn pdo pdp pdr pdt pdu peb ped pee pei pen peo pep per pet peu pib pid pie pii pin pio pip pir pit piu pn- pnb pnd pne pni pnn pno pnp pnr pnt pnu pob pod poe poi pon poo pop por pot pou ppb ppd ppe ppi ppn ppo ppp ppr ppt ppu prb prd pre pri prn pro prp prr prt pru pt- ptb ptd pte pti ptn pto ptp ptr ptt ptu pub pud pue pui pun pup pur put puu rbb rbd rbe rbi rbn rbo rbp rbr rbt rbu rdb rdd rde rdi rdn rdo rdp rdr rdt rdu re- reb red ree rei ren reo rep rer ret reu rib rid rie rii rin rio rip rir rit rnb rnd rni rnn rno rnp rnr rnt rnu rob rod roe roi ron roo rop ror rot rou rpb rpd rpe rpi rpn rpo rpp rpr rpt rpu rrb rrd rri rrn rrp rrr rrt rru rtb rtd rte rti rtn rto rtp rtr rtt rtu rub rud rue rui run ruo rup rur rut ruu tbb tbd tbe tbi tbn tbo tbp tbr tbt tbu tdb tdd tde tdi tdn tdo tdp tdr tdt tdu te- teb ted tee tei ten teo tep ter tet teu tib tid tie tii tin tio tip tir tit tiu tnb tnd tne tni tnn tno tnp tnr tnt to- tob tod toe toi ton too top tor tot tou tpb tpd tpe tpi tpn tpo tpp tpr tpt tpu trb trd tre tri trn tro trp trr trt tru ttb ttd tte tti ttn tto ttp ttr ttt ttu tub tud tue tui tun tuo tup tur tut tuu ubb ube ubi ubn ubo ubp ubr ubt ubu udb udd ude udi udn udo udp udr udt udu ueb ued uee uei uen uep uer uet uib uid uie uii uin uio uip uir uit uiu un- unb und une uni unn uno unp unr unt unu uob uod uoe uon uoo uop uor uot up- upb upd upe upi upn upo upp upr upt upu ur- urb urd ure uri urn uro urp urr urt uru utb utd ute uti utn uto utp utr utt utu uue uun uur uut