-er -ol b-u bbb bbe bbi bbk bbl bbm bbo bbr bbs bbt bbu be- beb bee bei bek bel bem beo ber bes bet beu bi- bib bie bii bik bil bim bio bir bis bit biu bkb bke bkk bkl bkm bko bkr bks bkt blb ble bli blk bll blm blo blr bls blt blu bmb bme bmi bmk bml bmm bmo bmr bms bmt bmu bob boe boi bok bol bom boo bor bos bot bou brb bre bri brk brl brm bro brr brs brt bru bsb bse bsi bsk bsl bsm bso bsr bss bst bsu btb bte bti btk btl btm bto btr bts btt btu bub bue bui buk bul bum buo bur bus but buu ebb ebe ebi ebk ebl ebm ebo ebr ebs ebt ebu eeb eee eek eel eem eeo eer ees eet eib eie eii eik eil eim eio eir eis eit eiu ekb eke eki ekl eko ekr eks ekt eku elb ele eli elk ell elm elo elr els elt elu em- emb eme emi emk eml emm emo emr ems emt emu eo- eob eoe eoi eok eol eom eoo eor eos eot eou erb ere eri erk erl erm ero err ers ert eru es- esb ese esi esk esl esm eso esr ess est esu etb ete eti etk etl etm eto etr ets ett etu eu- eub eue eui eul eur eus eut ibb ibe ibi ibk ibl ibm ibo ibr ibs ibt ibu ie- iee iei iek iel iem ier ies iet iib iie iii iil iim iio iir iis iit iiu ikb ike iki ikk ikl iko ikr iks ikt iku il- ilb ile ili ilk ill ilm ilo ilr ils ilt ilu im- imb ime imi iml imm imo ims imt imu io- iob ioe ioi iol iom ioo ior ios iot iou ir- irb ire iri irk irl irm iro irr irs irt iru is- isb ise isi isk isl ism iso isr iss ist isu itb ite iti itk itl itm ito its itt itu iu- iub iue iui ium iur ius iut k-t kbb kbe kbi kbk kbl kbm kbo kbr kbs kbu ke- keb kee kei kek kel kem keo ker kes ket kib kie kii kik kil kim kio kir kis kit kiu kkb kke kki kkk kkl kkm kkr kks kkt kku kl- klb kli klm klo klr kls klt klu kmb kme kmi kmk kml kmm kmo kms kmt kmu kob koe koi kok kol kom koo kor kos kot kou kri krk krl kro krr krs krt kru ksb kse ksi ksk ksl ksm kso ksr kss kst ksu ktb kte ktk ktl ktm kto ktr kts ktt ktu kub kue kui kuk kul kum kur kus kut kuu lbb lbe lbi lbk lbl lbm lbo lbr lbs lbt lbu leb lee lei lek lel lem leo ler les let leu lib lie lii lik lil lim lio lir lis lit liu lkb lkl lkr lks lkt llb lle lli llk lll llm llo llr lls llt llu lmb lme lmi lmk lml lmm lmo lmr lms lmt lmu lob loe loi lok lol lom loo lor los lot lou lrb lri lrk lrm lro lrr lrs lrt lru lsb lse lsi lsk lsl lsm lso lsr lss lst lsu ltb lte lti ltk ltl ltm lto ltr lts ltt ltu lub lue lui luk lul lum luo lur lus lut luu m-o m-r mbb mbe mbi mbk mbl mbm mbo mbr mbs mbt mbu meb mee mei mek mel mem meo mer mes met meu mi- mib mie mii mik mil mim mio mir mis mit miu mkb mke mkk mkl mkm mko mkr mks mkt mku mlb mle mli mlk mll mlm mlo mlr mls mlt mlu mmb mme mmi mmk mml mmm mmo mmr mms mmt mmu mob moe moi mok mol mom moo mor mos mot mou mrb mre mri mrk mrl mrm mro mrr mrs mrt mru msb mse msi msk msl msm mso msr mss mst msu mtb mte mti mtk mtl mtm mto mtr mts mtt mtu mub mue mui muk mul mum mur mus mut muu o-i ob- obb obe obi obk obl obm obo obr obs obt obu oeb oee oei oel oem oeo oer oes oet oib oie oii oik oil oim oio oir ois oit oiu okb oke oki okk okl oko okr oks oku olb ole oli olk oll olm olo ols olt olu om- omb ome omi oml omm omo omr oms omt omu oo- oob ooi ook ool oom ooo oor oos oot or- orb ore ori ork orl orm oro orr ors ort oru os- osb ose osi osk osl osm oso osr oss ost osu ot- otb ote oti otk otl otm oto otr ots ott otu ou- oue oui ouk oul oum ouo our ous out rbb rbe rbi rbk rbl rbm rbo rbr rbs rbt rbu re- reb ree rei rek rel rem reo rer res ret reu rib rie rii rik ril rim rio rir ris rit rkb rke rkk rkm rko rks rkt rku rle rli rll rlm rlo rlr rls rlt rlu rmb rme rmi rml rmm rmo rmr rms rmt rob roe roi rok rol rom roo ror ros rot rou rrb rri rrk rrl rrm rrr rrs rrt rru rsb rse rsi rsk rsl rsm rso rsr rss rst rsu rtb rte rti rtk rtl rtm rto rtr rts rtt rtu rub rue rui ruk rum ruo rur rus rut ruu sbb sbe sbi sbk sbl sbm sbo sbr sbs sbt sbu se- seb see sei sek sel sem seo ser ses set seu sib sie sii sik sil sim sio sir sis sit siu sk- skb ske ski skk skl skm sko skr sks skt sku slb sle sli slk sll slm slo slr sls slt slu smb sme smi smk sml smm smo smr sms smt