-er -ol -up b-p b-u bbb bbd bbe bbi bbl bbn bbo bbp bbr bbs bbu bdb bdd bde bdi bdl bdo bdp bdr bds bdu be- beb bed bee bei bel ben beo bep ber bes beu bi- bib bid bie bii bil bin bio bip bir bis biu blb bld ble bli bll bln blo blp blr bls blu bnb bnd bne bni bnl bnn bno bnp bnr bns bnu bob bod boe boi bol bon boo bop bor bos bou bpb bpd bpe bpi bpl bpn bpo bpp bpr bps bpu brb brd bre bri brl brn bro brp brr brs bru bsb bsd bse bsi bsl bsn bso bsp bsr bss bsu bub bud bue bui bul bun buo bup bur bus buu dbb dbd dbe dbi dbl dbn dbo dbp dbr dbs dbu ddb ddd dde ddi ddl ddn ddo ddp ddr dds ddu de- deb ded dee dei del den deo dep der des deu di- dib did die dii dil din dio dip dir dis diu dl- dlb dld dle dli dll dlo dlp dlr dls dlu dnb dnd dne dni dnl dnn dno dnp dnr dns dob dod doe doi dol don doo dop dor dos dou dpb dpd dpe dpi dpl dpn dpo dpp dpr dps dpu drb drd dre dri drl drn dro drp drr drs dru dsb dsd dse dsi dsl dsn dso dsp dsr dss dsu dub dud due dui dul dun duo dup dur dus ebb ebd ebe ebi ebl ebn ebo ebp ebr ebs ebu ed- edb edd ede edi edl edn edo edp edr eds edu eeb eed eee eel een eeo eep eer ees eib eid eie eii eil ein eio eip eir eis eiu elb eld ele eli ell eln elo elp elr els elu en- enb end ene eni enl enn eno enp enr ens enu eo- eob eod eoe eoi eol eon eoo eop eor eos eou ep- epb epd epe epi epl epn epo epp epr eps epu erb erd ere eri erl ern ero erp err ers eru es- esb esd ese esi esl esn eso esp esr ess esu eu- eub eud eue eui eul eun eup eur eus i-d ibb ibd ibe ibi ibl ibn ibo ibp ibr ibs ibu idb idd ide idi idl idn ido idp idr ids idu ie- ied iee iei iel ien iep ier ies iib iid iie iii iil iin iio iip iir iis iiu il- ilb ild ile ili ill iln ilo ilp ilr ils ilu in- inb ind ine ini inl inn ino inp inr ins inu io- iob iod ioe ioi iol ion ioo iop ior ios iou ipb ipd ipe ipi ipl ipn ipo ipp ipr ips ipu ir- irb ird ire iri irl irn iro irp irr irs iru is- isb isd ise isi isl isn iso isp isr iss isu iu- iub iud iue iui iup iur ius l-p lbb lbd lbe lbi lbl lbo lbp lbr lbs lbu ldb ldd lde ldi ldl ldn ldo ldp ldr lds ldu leb led lee lei lel len leo lep ler les leu lib lid lie lii lil lin lio lip lir lis liu llb lld lle lli lll lln llo llp llr lls llu lnb lnd lne lni lnl lnn lno lnp lnr lns lnu lob lod loe loi lol lon loo lop lor los lou lpb lpd lpe lpi lpl lpn lpo lpp lpr lps lpu lrb lrd lri lrn lro lrp lrr lrs lru lsb lsd lse lsi lsl lsn lso lsp lsr lss lsu lub lud lue lui lul lun luo lup lur lus luu n-i nbb nbd nbe nbi nbl nbn nbo nbp nbr nbs nbu ndb ndd nde ndi ndl ndn ndo ndp ndr nds ndu ne- neb ned nee nei nel nen neo nep ner nes neu nib nid nie nii nil nin nio nip nir nis niu nlb nld nle nli nll nln nlo nlp nlr nls nlu nnb nne nni nnl nnn nno nnp nns nnu no- nob nod noe noi nol non noo nop nor nos nou npb npd npe npi npl npn npo npp npr nps npu nrb nrd nre nri nrl nrn nro nrp nrr nrs nru nsb nsd nse nsi nsl nsn nso nsp nsr nss nsu nub nud nue nui nul nun nuo nup nur nus nuu o-i ob- obb obd obe obi obl obn obo obp obr obs obu odb odd ode odi odl odn odo odp odr ods odu oeb oed oee oei oel oen oeo oep oer oes oib oid oie oii oil oin oio oip oir ois oiu olb old ole oli oll oln olo olp ols olu on- onb ond one oni onl onn ono onp onr ons onu oo- oob ood ooi ool oon ooo oop oor oos op- opb opd ope opi opl opn opo opp opr ops or- orb ord ore ori orl orn oro orp orr ors oru os- osb osd ose osi osl osn oso osp osr oss osu ou- oud oue oui oul oun ouo oup our ous p-p pbb pbd pbe pbi pbl pbn pbo pbp pbr pbs pbu pdb pdd pde pdi pdl pdn pdo pdp pdr pds pdu peb ped pee pei pel pen peo pep per pes peu pib pid pie pii pil pin pio pip pir pis piu plb pld ple pli pll pln plo plp plr pls plu pn- pnb pnd pne pni pnl pnn pno pnp pnr pns pnu pob pod poe poi pol pon poo pop por pos pou ppb ppd ppe ppi ppl ppn ppo ppp ppr pps ppu prb prd pre pri prl prn pro prp prr prs pru ps- psb psd pse psi psl psn pso psp psr pss psu pub pud pue pui pul pun pup pur pus puu rbb rbd rbe rbi rbl rbn rbo rbp rbr rbs rbu rdb rdd rde rdi rdl rdn rdo rdp rdr rds