-er -ic -ol -up b-p b-u bbb bbc bbd bbe bbi bbl bbo bbp bbr bbt bbu bcb bcc bcd bce bci bcl bco bcp bcr bct bcu bdb bdc bdd bde bdi bdl bdo bdp bdr bdt bdu be- beb bec bed bee bei bel beo bep ber bet beu bi- bib bic bid bie bii bil bio bip bir bit biu blb blc bld ble bli bll blo blp blr blt blu bob boc bod boe boi bol boo bop bor bot bou bpb bpc bpd bpe bpi bpl bpo bpp bpr bpt bpu brb brd bre bri brl bro brp brr brt bru btb btc btd bte bti btl bto btp btr btt btu bub buc bud bue bui bul buo bup bur but buu c-- cbb cbc cbd cbe cbi cbl cbo cbp cbr cbt cbu ccb ccc ccd cce cci ccl cco ccp ccr cct ccu cdb cdc cdd cde cdi cdl cdo cdp cdr cdt cdu ce- ceb cec ced cee cei cel ceo cep cer cet ceu ci- cib cic cid cie cii cil cio cip cir cit ciu cl- clb clc cld cle cli cll clo clp clr clt clu co- cob coc cod coe coi col coo cop cor cot cou cpb cpc cpd cpe cpi cpl cpo cpp cpr cpt cpu crb crc crd cre cri crl cro crp crr crt cru ctb ctc ctd cte cti ctl cto ctp ctr ctt ctu cub cuc cud cue cui cul cuo cup cur cut cuu dbb dbc dbd dbe dbi dbl dbo dbp dbr dbt dbu dcb dcc dcd dce dci dcl dco dcp dcr dct dcu ddb ddc ddd dde ddi ddl ddo ddp ddr ddt ddu de- deb dec ded dee dei del deo dep der det deu di- dib dic did die dii dil dio dip dir dit diu dl- dlb dlc dld dle dli dll dlo dlp dlr dlt dlu dob doc dod doe doi dol doo dop dor dot dou dpb dpc dpd dpe dpi dpl dpo dpp dpr dpt dpu drb drc drd dre dri drl dro drp drr drt dru dtb dtc dtd dte dti dtl dto dtp dtr dtt dtu dub duc dud due dui dul duo dup dur dut ebb ebc ebd ebe ebi ebl ebo ebp ebr ebt ebu ec- ecb ecc ecd ece eci ecl eco ecr ect ecu ed- edb edc edd ede edi edl edo edp edr edt edu eeb eec eed eee eel eeo eep eer eet eib eic eid eie eii eil eio eip eir eit eiu elb elc eld ele eli ell elo elp elr elt elu eo- eob eoc eod eoe eoi eol eoo eop eor eot eou ep- epb epc epd epe epi epl epo epp epr ept epu erb erc erd ere eri erl ero erp err ert eru etb etc etd ete eti etl eto etp etr ett etu eu- eub euc eud eue eui eul eup eur eut i-d ibb ibc ibd ibe ibi ibl ibo ibp ibr ibt ibu icb icc icd ice ici icl ico icp icr ict icu idb idc idd ide idi idl ido idp idr idt idu ie- iec ied iee iei iel iep ier iet iib iic iid iie iii iil iio iip iir iit iiu il- ilb ilc ild ile ili ill ilo ilp ilr ilt ilu io- iob ioc iod ioe ioi iol ioo iop ior iot iou ipb ipc ipd ipe ipi ipl ipo ipp ipr ipt ipu ir- irb irc ird ire iri irl iro irp irr irt iru itb itc itd ite iti itl ito itp itt itu iu- iub iuc iud iue iui iup iur iut l-p lbb lbc lbd lbe lbi lbl lbo lbp lbr lbt lbu lcb lcc lcd lce lci lcl lco lcp lcr lct lcu ldb ldc ldd lde ldi ldl ldo ldp ldr ldt ldu leb lec led lee lei lel leo lep ler let leu lib lic lid lie lii lil lio lip lir lit liu llb llc lld lle lli lll llo llp llr llt llu lob loc lod loe loi lol loo lop lor lot lou lpb lpc lpd lpe lpi lpl lpo lpp lpr lpt lpu lrb lrc lrd lri lro lrp lrr lrt lru ltb ltc ltd lte lti ltl lto ltp ltr ltt ltu lub luc lud lue lui lul luo lup lur lut luu o-i ob- obb obc obd obe obi obl obo obp obr obt obu oc- ocb occ ocd oci ocl oco ocp ocr oct ocu odb odc odd ode odi odl odo odp odr odt odu oeb oec oed oee oei oel oeo oep oer oet oib oic oid oie oii oil oio oip oir oit oiu olb olc old ole oli oll olo olp olt olu oo- oob ooc ood ooi ool ooo oop oor oot op- opb opc opd ope opi opl opo opp opr opt or- orb orc ord ore ori orl oro orp orr ort oru ot- otb otc otd ote oti otl oto otp otr ott otu ou- ouc oud oue oui oul ouo oup our out p-p pbb pbc pbd pbe pbi pbl pbo pbp pbr pbt pbu pcb pcc pcd pce pci pcl pco pcp pcr pct pcu pdb pdc pdd pde pdi pdl pdo pdp pdr pdt pdu peb pec ped pee pei pel peo pep per pet peu pib pic pid pie pii pil pio pip pir pit piu plb plc pld ple pli pll plo plp plr plt plu pob poc pod poe poi pol poo pop por pot pou ppb ppc ppd ppe ppi ppl ppo ppp ppr ppt ppu prb prc prd pre pri prl pro prp prr prt pru pt- ptb ptc ptd pte pti ptl pto ptp ptr ptt ptu pub puc pud pue pui pul pup pur put puu rbb rbc rbd rbe rbi rbl rbo rbp rbr rbt rbu rcb rcc rcd rce rci rcl rco rcp