-er -ol b-u bbb bbc bbd bbe bbk bbl bbo bbr bbs bbu bcb bcc bcd bce bck bcl bco bcr bcs bcu bdb bdc bdd bde bdk bdl bdo bdr bds bdu be- beb bec bed bee bek bel beo ber bes beu bkb bkc bke bkk bkl bko bkr bks blb blc bld ble blk bll blo blr bls blu bob boc bod boe bok bol boo bor bos bou brb brd bre brk brl bro brr brs bru bsb bsc bsd bse bsk bsl bso bsr bss bsu bub buc bud bue buk bul buo bur bus buu c-- cbb cbc cbd cbe cbk cbl cbo cbr cbs cbu ccb ccc ccd cce cck ccl cco ccr ccs ccu cdb cdc cdd cde cdk cdl cdo cdr cds cdu ce- ceb cec ced cee cek cel ceo cer ces ceu ckb ckc ckd cko cks cl- clb clc cld cle clk cll clo clr cls clu co- cob coc cod coe cok col coo cor cos cou crb crc crd cre crk crl cro crr crs cru csb csc csd cse csk csl cso csr css csu cub cuc cud cue cuk cul cuo cur cus cuu dbb dbc dbd dbe dbk dbl dbo dbr dbs dbu dcb dcc dcd dce dck dcl dco dcr dcs dcu ddb ddc ddd dde ddk ddl ddo ddr dds ddu de- deb dec ded dee dek del deo der des deu dkb dkc dke dkk dkl dko dkr dks dku dl- dlb dlc dld dle dlk dll dlo dlr dls dlu dob doc dod doe dok dol doo dor dos dou drb drc drd dre drk drl dro drr drs dru dsb dsc dsd dse dsk dsl dso dsr dss dsu dub duc dud due duk dul duo dur dus ebb ebc ebd ebe ebk ebl ebo ebr ebs ebu ec- ecb ecc ecd ece eck ecl eco ecr ecs ecu ed- edb edc edd ede edk edl edo edr eds edu eeb eec eed eee eek eel eeo eer ees ekb ekc ekd eke ekl eko ekr eks eku elb elc eld ele elk ell elo elr els elu eo- eob eoc eod eoe eok eol eoo eor eos eou erb erc erd ere erk erl ero err ers eru es- esb esc esd ese esk esl eso esr ess esu eu- eub euc eud eue eul eur eus kbb kbc kbd kbe kbk kbl kbo kbr kbs kbu kcb kcc kcd kce kck kcl kcr kcs kcu kdb kdc kde kdk kdl kdo kdr kds kdu ke- keb kec ked kee kek kel keo ker kes kkb kkc kke kkk kkl kkr kks kku kl- klb klc kld klo klr kls klu kob koc kod koe kok kol koo kor kos kou krc krd krk krl kro krr krs kru ksb ksc ksd kse ksk ksl kso ksr kss ksu kub kuc kud kue kuk kul kur kus kuu lbb lbc lbd lbe lbk lbl lbo lbr lbs lbu lcb lcc lcd lce lck lcl lco lcr lcs lcu ldb ldc ldd lde ldk ldl ldo ldr lds ldu leb lec led lee lek lel leo ler les leu lkb lkl lkr lks llb llc lld lle llk lll llo llr lls llu lob loc lod loe lok lol loo lor los lou lrb lrc lrd lrk lro lrr lrs lru lsb lsc lsd lse lsk lsl lso lsr lss lsu lub luc lud lue luk lul luo lur lus luu ob- obb obc obd obe obk obl obo obr obs obu oc- ocb occ ocd ock ocl oco ocr ocs ocu odb odc odd ode odl odo odr ods odu oeb oec oed oee oel oeo oer oes okb okc okd oke okk okl oko okr oks oku olb olc old ole olk oll olo ols olu oo- oob ooc ood ook ool ooo oor oos or- orb orc ord ore ork orl oro orr ors oru os- osb osc osd ose osk osl oso osr oss osu ou- ouc oud oue ouk oul ouo our ous rbb rbc rbd rbe rbk rbl rbo rbr rbs rbu rcb rcc rcd rce rcl rco rcr rcs rcu rdb rdc rdd rde rdl rdo rdr rds rdu re- reb rec red ree rek rel reo rer res reu rkb rkc rke rkk rko rks rku rlc rld rle rll rlo rlr rls rlu rob roc rod roe rok rol roo ror ros rou rrb rrc rrd rrk rrl rrr rrs rru rsb rsc rsd rse rsk rsl rso rsr rss rsu rub ruc rud rue ruk ruo rur rus ruu sbb sbc sbd sbe sbk sbl sbo sbr sbs sbu scb scc scd sce sck scl sco scr scs scu sdb sdc sdd sde sdk sdl sdo sdr sds sdu se- seb sec sed see sek sel seo ser ses seu sk- skb skc skd ske skk skl sko skr sks sku slb slc sld sle slk sll slo slr sls slu sob soc sod soe sok sol soo sor sos sou sr- srb src srd sre srk srl sro srr srs ss- ssb ssc ssd sse ssk ssl sso ssr sss ssu sub suc sud sue suk sul suo sur sus suu ubb ubc ube ubk ubl ubo ubr ubs ubu ucb ucc ucd uce uck ucl uco ucr ucs ucu udb udc udd ude udk udl udo udr uds udu ueb uec ued uee uel uer ues ukb ukc uke ukk ukl ukr uku ulb ulc uld ule ulk ull ulo ulr uls ulu uob uoc uod uoe uok uol uoo uor uos ur- urb urc urd ure urk url uro urr urs uru usb usc usd use usk usl uso usr uss usu uuc uue uur uus uuu

-ose -ous bbbb bbbs bbdd bbdo bbeb bblb bbls bbrc bcbc bcbs bccc bccl bccs bcde bcds bcec bcer bces bcor bcos bcrs bcru bcsc bcsl bcss bcuc bd-r bdbc bddc bdes bdle bdls bdos bdsd bebb bebe