-er -ic -ol b-u bbb bbc bbd bbe bbi bbk bbl bbn bbo bbr bbt bbu bcb bcc bcd bce bci bck bcl bcn bco bcr bct bcu bdb bdc bdd bde bdi bdk bdl bdo bdr bdt bdu be- beb bec bed bee bei bek bel ben beo ber bet beu bi- bib bic bid bie bii bik bil bin bio bir bit biu bkb bkc bke bkk bkl bkn bko bkr bkt blb blc bld ble bli blk bll bln blo blr blt blu bnb bnc bnd bne bni bnk bnl bnn bno bnr bnt bnu bob boc bod boe boi bok bol bon boo bor bot bou brb brd bre bri brk brl brn bro brr brt bru btb btc btd bte bti btk btl btn bto btr btt btu bub buc bud bue bui buk bul bun buo bur but buu c-- cbb cbc cbd cbe cbi cbk cbl cbn cbo cbr cbt cbu ccb ccc ccd cce cci cck ccl ccn cco ccr cct ccu cdb cdc cdd cde cdi cdk cdl cdn cdo cdr cdt cdu ce- ceb cec ced cee cei cek cel cen ceo cer cet ceu ci- cib cic cid cie cii cik cil cin cio cir cit ciu ckb ckc ckd cki cko ckt cl- clb clc cld cle cli clk cll cln clo clr clt clu cn- cnb cnc cnd cne cni cnl cnn cno cnr cnt cnu co- cob coc cod coe coi cok col con coo cor cot cou crb crc crd cre cri crk crl crn cro crr crt cru ctb ctc ctd cte cti ctk ctl ctn cto ctr ctt ctu cub cuc cud cue cui cuk cul cun cuo cur cut cuu dbb dbc dbd dbe dbi dbk dbl dbn dbo dbr dbt dbu dcb dcc dcd dce dci dck dcl dcn dco dcr dct dcu ddb ddc ddd dde ddi ddk ddl ddn ddo ddr ddt ddu de- deb dec ded dee dei dek del den deo der det deu di- dib dic did die dii dik dil din dio dir dit diu dkb dkc dke dki dkk dkl dko dkr dkt dku dl- dlb dlc dld dle dli dlk dll dlo dlr dlt dlu dnb dnc dnd dne dni dnk dnl dnn dno dnr dnt dob doc dod doe doi dok dol don doo dor dot dou drb drc drd dre dri drk drl drn dro drr drt dru dtb dtc dtd dte dti dtk dtl dtn dto dtr dtt dtu dub duc dud due dui duk dul dun duo dur dut ebb ebc ebd ebe ebi ebk ebl ebn ebo ebr ebt ebu ec- ecb ecc ecd ece eci eck ecl ecn eco ecr ect ecu ed- edb edc edd ede edi edk edl edn edo edr edt edu eeb eec eed eee eek eel een eeo eer eet eib eic eid eie eii eik eil ein eio eir eit eiu ekb ekc ekd eke eki ekl eko ekr ekt eku elb elc eld ele eli elk ell eln elo elr elt elu en- enb enc end ene eni enk enl enn eno enr ent enu eo- eob eoc eod eoe eoi eok eol eon eoo eor eot eou erb erc erd ere eri erk erl ern ero err ert eru etb etc etd ete eti etk etl etn eto etr ett etu eu- eub euc eud eue eui eul eun eur eut i-d ibb ibc ibd ibe ibi ibk ibl ibn ibo ibr ibt ibu icb icc icd ice ici ick icl icn ico icr ict icu idb idc idd ide idi idk idl idn ido idr idt idu ie- iec ied iee iei iek iel ien ier iet iib iic iid iie iii iil iin iio iir iit iiu ikb ikc ike iki ikk ikl iko ikr ikt iku il- ilb ilc ild ile ili ilk ill iln ilo ilr ilt ilu in- inb inc ind ine ini ink inl inn ino inr int inu io- iob ioc iod ioe ioi iol ion ioo ior iot iou ir- irb irc ird ire iri irk irl irn iro irr irt iru itb itc itd ite iti itk itl itn ito itt itu iu- iub iuc iud iue iui iur iut k-t kbb kbc kbd kbe kbi kbk kbl kbn kbo kbr kbu kcb kcc kcd kce kci kck kcl kcn kcr kct kcu kdb kdc kde kdk kdl kdo kdr kdt kdu ke- keb kec ked kee kei kek kel ken keo ker ket kib kic kid kie kii kik kil kin kio kir kit kiu kkb kkc kke kki kkk kkl kkn kkr kkt kku kl- klb klc kld kli klo klr klt klu kn- knc knd kne kni knk knl knn kno knr knt knu kob koc kod koe koi kok kol kon koo kor kot kou krc krd kri krk krl krn kro krr krt kru ktb ktc kte ktk ktl ktn kto ktr ktt ktu kub kuc kud kue kui kuk kul kun kur kut kuu lbb lbc lbd lbe lbi lbk lbl lbo lbr lbt lbu lcb lcc lcd lce lci lck lcl lcn lco lcr lct lcu ldb ldc ldd lde ldi ldk ldl ldn ldo ldr ldt ldu leb lec led lee lei lek lel len leo ler let leu lib lic lid lie lii lik lil lin lio lir lit liu lkb lkl lkr lkt llb llc lld lle lli llk lll lln llo llr llt llu lnb lnc lnd lne lni lnk lnl lnn lno lnr lnt lnu lob loc lod loe loi lok lol lon loo lor lot lou lrb lrc lrd lri lrk lrn lro lrr lrt lru ltb ltc ltd lte lti ltk ltl lto ltr ltt ltu lub luc lud lue lui luk lul lun luo lur lut luu n-i nbb nbc nbd nbe nbi nbk nbl nbn nbo nbr nbt nbu ncb ncc ncd nce nci nck ncl ncn nco ncr nct ncu ndb ndc ndd