-er -ic -up b-p b-u bbb bbc bbd bbe bbi bbn bbo bbp bbr bbs bbu bcb bcc bcd bce bci bcn bco bcp bcr bcs bcu bdb bdc bdd bde bdi bdo bdp bdr bds bdu be- beb bec bed bee bei ben beo bep ber bes beu bi- bib bic bid bie bii bin bio bip bir bis biu bnb bnc bnd bne bni bnn bno bnp bnr bns bnu bob boc bod boe boi bon boo bop bor bos bou bpb bpc bpd bpe bpi bpn bpo bpp bpr bps bpu brb brd bre bri brn bro brp brr brs bru bsb bsc bsd bse bsi bsn bso bsp bsr bss bsu bub buc bud bue bui bun buo bup bur bus buu c-- cbb cbc cbd cbe cbi cbn cbo cbp cbr cbs cbu ccb ccc ccd cce cci ccn cco ccp ccr ccs ccu cdb cdc cdd cde cdi cdn cdo cdp cdr cds cdu ce- ceb cec ced cee cei cen ceo cep cer ces ceu ci- cib cic cid cie cii cin cio cip cir cis ciu cn- cnb cnc cnd cne cni cnn cno cnp cnr cns cnu co- cob coc cod coe coi con coo cop cor cos cou cpb cpc cpd cpe cpi cpn cpo cpp cpr cps cpu crb crc crd cre cri crn cro crp crr crs cru csb csc csd cse csi csn cso csp csr css csu cub cuc cud cue cui cun cuo cup cur cus cuu dbb dbc dbd dbe dbi dbn dbo dbp dbr dbs dbu dcb dcc dcd dce dci dcn dco dcp dcr dcs dcu ddb ddc ddd dde ddi ddn ddo ddp ddr dds ddu de- deb dec ded dee dei den deo dep der des deu di- dib dic did die dii din dio dip dir dis diu dnb dnc dnd dne dni dnn dno dnp dnr dns dob doc dod doe doi don doo dop dor dos dou dpb dpc dpd dpe dpi dpn dpo dpp dpr dps dpu drb drc drd dre dri drn dro drp drr drs dru dsb dsc dsd dse dsi dsn dso dsp dsr dss dsu dub duc dud due dui dun duo dup dur dus ebb ebc ebd ebe ebi ebn ebo ebp ebr ebs ebu ec- ecb ecc ecd ece eci ecn eco ecr ecs ecu ed- edb edc edd ede edi edn edo edp edr eds edu eeb eec eed eee een eeo eep eer ees eib eic eid eie eii ein eio eip eir eis eiu en- enb enc end ene eni enn eno enp enr ens enu eo- eob eoc eod eoe eoi eon eoo eop eor eos eou ep- epb epc epd epe epi epn epo epp epr eps epu erb erc erd ere eri ern ero erp err ers eru es- esb esc esd ese esi esn eso esp esr ess esu eu- eub euc eud eue eui eun eup eur eus i-d ibb ibc ibd ibe ibi ibn ibo ibp ibr ibs ibu icb icc icd ice ici icn ico icp icr ics icu idb idc idd ide idi idn ido idp idr ids idu ie- iec ied iee iei ien iep ier ies iib iic iid iie iii iin iio iip iir iis iiu in- inb inc ind ine ini inn ino inp inr ins inu io- iob ioc iod ioe ioi ion ioo iop ior ios iou ipb ipc ipd ipe ipi ipn ipo ipp ipr ips ipu ir- irb irc ird ire iri irn iro irp irr irs iru is- isb isc isd ise isi isn iso isp isr iss isu iu- iub iuc iud iue iui iup iur ius n-i nbb nbc nbd nbe nbi nbn nbo nbp nbr nbs nbu ncb ncc ncd nce nci ncn nco ncp ncr ncs ncu ndb ndc ndd nde ndi ndn ndo ndp ndr nds ndu ne- neb nec ned nee nei nen neo nep ner nes neu nib nic nid nie nii nin nio nip nir nis niu nnb nnc nne nni nnn nno nnp nns nnu no- nob noc nod noe noi non noo nop nor nos nou npb npc npd npe npi npn npo npp npr nps npu nrb nrc nrd nre nri nrn nro nrp nrr nrs nru nsb nsc nsd nse nsi nsn nso nsp nsr nss nsu nub nuc nud nue nui nun nuo nup nur nus nuu o-i ob- obb obc obd obe obi obn obo obp obr obs obu oc- ocb occ ocd oci ocn oco ocp ocr ocs ocu odb odc odd ode odi odn odo odp odr ods odu oeb oec oed oee oei oen oeo oep oer oes oib oic oid oie oii oin oio oip oir ois oiu on- onb onc ond one oni onn ono onp onr ons onu oo- oob ooc ood ooi oon ooo oop oor oos op- opb opc opd ope opi opn opo opp opr ops or- orb orc ord ore ori orn oro orp orr ors oru os- osb osc osd ose osi osn oso osp osr oss osu ou- ouc oud oue oui oun ouo oup our ous p-p pbb pbc pbd pbe pbi pbn pbo pbp pbr pbs pbu pcb pcc pcd pce pci pcn pco pcp pcr pcs pcu pdb pdc pdd pde pdi pdn pdo pdp pdr pds pdu peb pec ped pee pei pen peo pep per pes peu pib pic pid pie pii pin pio pip pir pis piu pn- pnb pnc pnd pne pni pnn pno pnp pnr pns pnu pob poc pod poe poi pon poo pop por pos pou ppb ppc ppd ppe ppi ppn ppo ppp ppr pps ppu prb prc prd pre pri prn pro prp prr prs pru ps- psb psc psd pse psi psn pso psp psr pss psu pub puc pud pue pui pun pup pur pus puu rbb rbc rbd rbe rbi rbn rbo rbp rbr rbs rbu rcb rcc rcd