-er -ol b-u bbb bbd bbe bbi bbk bbl bbo bbr bbs bbt bbu bdb bdd bde bdi bdk bdl bdo bdr bds bdt bdu be- beb bed bee bei bek bel beo ber bes bet beu bi- bib bid bie bii bik bil bio bir bis bit biu bkb bke bkk bkl bko bkr bks bkt blb bld ble bli blk bll blo blr bls blt blu bob bod boe boi bok bol boo bor bos bot bou brb brd bre bri brk brl bro brr brs brt bru bsb bsd bse bsi bsk bsl bso bsr bss bst bsu btb btd bte bti btk btl bto btr bts btt btu bub bud bue bui buk bul buo bur bus but buu dbb dbd dbe dbi dbk dbl dbo dbr dbs dbt dbu ddb ddd dde ddi ddk ddl ddo ddr dds ddt ddu de- deb ded dee dei dek del deo der des det deu di- dib did die dii dik dil dio dir dis dit diu dkb dke dki dkk dkl dko dkr dks dkt dku dl- dlb dld dle dli dlk dll dlo dlr dls dlt dlu dob dod doe doi dok dol doo dor dos dot dou drb drd dre dri drk drl dro drr drs drt dru dsb dsd dse dsi dsk dsl dso dsr dss dst dsu dtb dtd dte dti dtk dtl dto dtr dts dtt dtu dub dud due dui duk dul duo dur dus dut ebb ebd ebe ebi ebk ebl ebo ebr ebs ebt ebu ed- edb edd ede edi edk edl edo edr eds edt edu eeb eed eee eek eel eeo eer ees eet eib eid eie eii eik eil eio eir eis eit eiu ekb ekd eke eki ekl eko ekr eks ekt eku elb eld ele eli elk ell elo elr els elt elu eo- eob eod eoe eoi eok eol eoo eor eos eot eou erb erd ere eri erk erl ero err ers ert eru es- esb esd ese esi esk esl eso esr ess est esu etb etd ete eti etk etl eto etr ets ett etu eu- eub eud eue eui eul eur eus eut i-d ibb ibd ibe ibi ibk ibl ibo ibr ibs ibt ibu idb idd ide idi idk idl ido idr ids idt idu ie- ied iee iei iek iel ier ies iet iib iid iie iii iil iio iir iis iit iiu ikb ike iki ikk ikl iko ikr iks ikt iku il- ilb ild ile ili ilk ill ilo ilr ils ilt ilu io- iob iod ioe ioi iol ioo ior ios iot iou ir- irb ird ire iri irk irl iro irr irs irt iru is- isb isd ise isi isk isl iso isr iss ist isu itb itd ite iti itk itl ito its itt itu iu- iub iud iue iui iur ius iut k-t kbb kbd kbe kbi kbk kbl kbo kbr kbs kbu kdb kde kdk kdl kdo kdr kds kdt kdu ke- keb ked kee kei kek kel keo ker kes ket kib kid kie kii kik kil kio kir kis kit kiu kkb kke kki kkk kkl kkr kks kkt kku kl- klb kld kli klo klr kls klt klu kob kod koe koi kok kol koo kor kos kot kou krd kri krk krl kro krr krs krt kru ksb ksd kse ksi ksk ksl kso ksr kss kst ksu ktb kte ktk ktl kto ktr kts ktt ktu kub kud kue kui kuk kul kur kus kut kuu lbb lbd lbe lbi lbk lbl lbo lbr lbs lbt lbu ldb ldd lde ldi ldk ldl ldo ldr lds ldt ldu leb led lee lei lek lel leo ler les let leu lib lid lie lii lik lil lio lir lis lit liu lkb lkl lkr lks lkt llb lld lle lli llk lll llo llr lls llt llu lob lod loe loi lok lol loo lor los lot lou lrb lrd lri lrk lro lrr lrs lrt lru lsb lsd lse lsi lsk lsl lso lsr lss lst lsu ltb ltd lte lti ltk ltl lto ltr lts ltt ltu lub lud lue lui luk lul luo lur lus lut luu o-i ob- obb obd obe obi obk obl obo obr obs obt obu odb odd ode odi odl odo odr ods odt odu oeb oed oee oei oel oeo oer oes oet oib oid oie oii oik oil oio oir ois oit oiu okb okd oke oki okk okl oko okr oks oku olb old ole oli olk oll olo ols olt olu oo- oob ood ooi ook ool ooo oor oos oot or- orb ord ore ori ork orl oro orr ors ort oru os- osb osd ose osi osk osl oso osr oss ost osu ot- otb otd ote oti otk otl oto otr ots ott otu ou- oud oue oui ouk oul ouo our ous out rbb rbd rbe rbi rbk rbl rbo rbr rbs rbt rbu rdb rdd rde rdi rdl rdo rdr rds rdt rdu re- reb red ree rei rek rel reo rer res ret reu rib rid rie rii rik ril rio rir ris rit rkb rke rkk rko rks rkt rku rld rle rli rll rlo rlr rls rlt rlu rob rod roe roi rok rol roo ror ros rot rou rrb rrd rri rrk rrl rrr rrs rrt rru rsb rsd rse rsi rsk rsl rso rsr rss rst rsu rtb rtd rte rti rtk rtl rto rtr rts rtt rtu rub rud rue rui ruk ruo rur rus rut ruu sbb sbd sbe sbi sbk sbl sbo sbr sbs sbt sbu sdb sdd sde sdi sdk sdl sdo sdr sds sdt sdu se- seb sed see sei sek sel seo ser ses set seu sib sid sie sii sik sil sio sir sis sit siu sk- skb skd ske ski skk skl sko skr sks skt sku slb sld sle sli slk sll slo slr sls