-er -ol bbb bbe bbg bbi bbk bbl bbo bbr bbs bbt bbw be- beb bee beg bei bek bel beo ber bes bet bew bgb bge bgg bgi bgk bgl bgo bgr bgs bgt bgw bi- bib bie big bii bik bil bio bir bis bit biw bkb bke bkg bkk bkl bko bkr bks bkt bkw blb ble blg bli blk bll blo blr bls blt bob boe bog boi bok bol boo bor bos bot bow brb bre brg bri brk brl bro brr brs brt brw bsb bse bsg bsi bsk bsl bso bsr bss bst bsw btb bte btg bti btk btl bto btr bts btt btw bwb bwg bwi bwk bwl bwo bwr bws ebb ebe ebg ebi ebk ebl ebo ebr ebs ebt ebw eeb eee eeg eek eel eeo eer ees eet eew egb ege egg egi egl ego egr egs egt egw eib eie eig eii eik eil eio eir eis eit ekb eke ekg eki ekl eko ekr eks ekt elb ele elg eli elk ell elo elr els elt elw eo- eob eoe eog eoi eok eol eoo eor eos eot eow erb ere erg eri erk erl ero err ers ert erw es- esb ese esg esi esk esl eso esr ess est esw etb ete etg eti etk etl eto etr ets ett etw ewb ewe ewi ewk ewl ewo ewr ews ewt eww gbe gbg gbi gbk gbl gbo gbr gbs gbt gbw ge- geb gee geg gei gek gel geo ger ges get gew ggb ggg ggi ggo ggr ggs ggt ggw gib gie gig gii gik gil gio gir gis git gkb gko gks gkt glb gle glg gli glk gll glo glr gls glt gob goe gog goi gok gol goo gor gos got gow grb gre grg gri grk grl gro grr grs grt grw gsb gse gsg gsi gsk gsl gso gsr gss gst gsw gtb gte gtg gti gtk gtl gto gtr gts gtt gtw gwb gwe gwg gwi gwk gwl gwr gws gwt ibb ibe ibg ibi ibk ibl ibo ibr ibs ibt ibw ie- iee ieg iei iek iel ier ies iet igb ige igg igi igk igl igo igr igs igt igw iib iie iii iil iio iir iis iit iiw ikb ike iki ikk ikl iko ikr iks ikt il- ilb ile ilg ili ilk ill ilo ilr ils ilt io- iob ioe iog ioi iol ioo ior ios iot iow ir- irb ire irg iri irk irl iro irr irs irt is- isb ise isg isi isk isl iso isr iss ist isw itb ite itg iti itk itl ito its itt iwb iwe iwg iwi iwk iwl iwo iwr iws iwt iww k-t kbb kbe kbi kbk kbl kbo kbr kbs kbw ke- keb kee keg kei kek kel keo ker kes ket kew kgb kgi kgl kgo kgs kgw kib kie kig kii kik kil kio kir kis kit kkb kke kki kkk kkl kkr kks kkt kl- klb klg kli klo klr kls klt kob koe kog koi kok kol koo kor kos kot kow krg kri krk krl kro krr krs krt krw ksb kse ksg ksi ksk ksl kso ksr kss kst ksw ktb kte ktg ktk ktl kto ktr kts ktt ktw kw- kwg kwi kwk kwo kws kwt kww lbb lbe lbg lbi lbk lbl lbo lbr lbs lbt lbw leb lee leg lei lek lel leo ler les let lew lgb lge lgg lgi lgk lgl lgo lgr lgs lgt lgw lib lie lig lii lik lil lio lir lis lit liw lkb lkg lkl lkr lks lkt llb lle llg lli llk lll llo llr lls llt llw lob loe log loi lok lol loo lor los lot low lrb lrg lri lrk lro lrr lrs lrt lrw lsb lse lsg lsi lsk lsl lso lsr lss lst lsw ltb lte ltg lti ltk ltl lto ltr lts ltt lwb lwi lwl lwo lwr lws lww o-i ob- obb obe obg obi obk obl obo obr obs obt obw oeb oee oeg oei oel oeo oer oes oet oge ogg ogi ogl ogo ogs ogt oib oie oii oik oil oio oir ois oit okb oke okg oki okk okl oko okr oks okw olb ole olg oli olk oll olo ols olt olw oo- oob oog ooi ook ool ooo oor oos oot oow or- orb ore org ori ork orl oro orr ors ort os- osb ose osg osi osk osl oso osr oss ost osw ot- otb ote otg oti otk otl oto otr ots ott otw owb owe owi owk owl owo ows owt oww rbb rbe rbg rbi rbk rbl rbo rbr rbs rbt rbw re- reb ree reg rei rek rel reo rer res ret rew rgb rge rgg rgi rgk rgo rgr rgs rgt rgw rib rie rig rii rik ril rio rir ris rit rkb rke rkg rkk rko rks rkt rle rlg rli rll rlo rlr rls rlt rlw rob roe rog roi rok rol roo ror ros rot row rrb rrg rri rrk rrl rrr rrs rrt rsb rse rsg rsi rsk rsl rso rsr rss rst rsw rtb rte rtg rti rtk rtl rto rtr rts rtt rtw rwb rwe rwi rwl rwr rws sbb sbe sbg sbi sbk sbl sbo sbr sbs sbt sbw se- seb see seg sei sek sel seo ser ses set sew sgb sge sgg sgi sgk sgl sgo sgr sgs sgt sib sie sig sii sik sil sio sir sis sit siw sk- skb ske skg ski skk skl sko skr sks skt skw slb sle slg sli slk sll slo slr sls slt sob soe sog soi sok sol soo sor sos sot sow sr- srb sre srg sri srk srl sro srr srs srt srw ss- ssb sse ssg ssi ssk ssl sso ssr sss sst ssw stb ste stg sti stk stl sto str sts stt