-er -ic -ol b-u bbb bbc bbe bbi bbl bbo bbr bbs bbt bbu bcb bcc bce bci bcl bco bcr bcs bct bcu be- beb bec bee bei bel beo ber bes bet beu bi- bib bic bie bii bil bio bir bis bit biu blb blc ble bli bll blo blr bls blt blu bob boc boe boi bol boo bor bos bot bou brb bre bri brl bro brr brs brt bru bsb bsc bse bsi bsl bso bsr bss bst bsu btb btc bte bti btl bto btr bts btt btu bub buc bue bui bul buo bur bus but buu c-- cbb cbc cbe cbi cbl cbo cbr cbs cbt cbu ccb ccc cce cci ccl cco ccr ccs cct ccu ce- ceb cec cee cei cel ceo cer ces cet ceu ci- cib cic cie cii cil cio cir cis cit ciu cl- clb clc cle cli cll clo clr cls clt clu co- cob coc coe coi col coo cor cos cot cou crb crc cre cri crl cro crr crs crt cru csb csc cse csi csl cso csr css cst csu ctb ctc cte cti ctl cto ctr cts ctt ctu cub cuc cue cui cul cuo cur cus cut cuu ebb ebc ebe ebi ebl ebo ebr ebs ebt ebu ec- ecb ecc ece eci ecl eco ecr ecs ect ecu eeb eec eee eel eeo eer ees eet eib eic eie eii eil eio eir eis eit eiu elb elc ele eli ell elo elr els elt elu eo- eob eoc eoe eoi eol eoo eor eos eot eou erb erc ere eri erl ero err ers ert eru es- esb esc ese esi esl eso esr ess est esu etb etc ete eti etl eto etr ets ett etu eu- eub euc eue eui eul eur eus eut ibb ibc ibe ibi ibl ibo ibr ibs ibt ibu icb icc ice ici icl ico icr ics ict icu ie- iec iee iei iel ier ies iet iib iic iie iii iil iio iir iis iit iiu il- ilb ilc ile ili ill ilo ilr ils ilt ilu io- iob ioc ioe ioi iol ioo ior ios iot iou ir- irb irc ire iri irl iro irr irs irt iru is- isb isc ise isi isl iso isr iss ist isu itb itc ite iti itl ito its itt itu iu- iub iuc iue iui iur ius iut lbb lbc lbe lbi lbl lbo lbr lbs lbt lbu lcb lcc lce lci lcl lco lcr lcs lct lcu leb lec lee lei lel leo ler les let leu lib lic lie lii lil lio lir lis lit liu llb llc lle lli lll llo llr lls llt llu lob loc loe loi lol loo lor los lot lou lrb lrc lri lro lrr lrs lrt lru lsb lsc lse lsi lsl lso lsr lss lst lsu ltb ltc lte lti ltl lto ltr lts ltt ltu lub luc lue lui lul luo lur lus lut luu o-i ob- obb obc obe obi obl obo obr obs obt obu oc- ocb occ oci ocl oco ocr ocs oct ocu oeb oec oee oei oel oeo oer oes oet oib oic oie oii oil oio oir ois oit oiu olb olc ole oli oll olo ols olt olu oo- oob ooc ooi ool ooo oor oos oot or- orb orc ore ori orl oro orr ors ort oru os- osb osc ose osi osl oso osr oss ost osu ot- otb otc ote oti otl oto otr ots ott otu ou- ouc oue oui oul ouo our ous out rbb rbc rbe rbi rbl rbo rbr rbs rbt rbu rcb rcc rce rci rcl rco rcr rcs rct rcu re- reb rec ree rei rel reo rer res ret reu rib ric rie rii ril rio rir ris rit rlc rle rli rll rlo rlr rls rlt rlu rob roc roe roi rol roo ror ros rot rou rrb rrc rri rrl rrr rrs rrt rru rsb rsc rse rsi rsl rso rsr rss rst rsu rtb rtc rte rti rtl rto rtr rts rtt rtu rub ruc rue rui ruo rur rus rut ruu sbb sbc sbe sbi sbl sbo sbr sbs sbt sbu scb scc sce sci scl sco scr scs sct scu se- seb sec see sei sel seo ser ses set seu sib sic sie sii sil sio sir sis sit siu slb slc sle sli sll slo slr sls slt slu sob soc soe soi sol soo sor sos sot sou sr- srb src sre sri srl sro srr srs srt ss- ssb ssc sse ssi ssl sso ssr sss sst ssu stb stc ste sti stl sto str sts stt stu sub suc sue sui sul suo sur sus sut suu tbb tbc tbe tbi tbl tbo tbr tbs tbt tbu tcb tcc tce tci tcl tco tcr tcs tct tcu te- teb tec tee tei tel teo ter tes tet teu tib tic tie tii til tio tir tis tit tiu tlc tle tli tll tlo tlr tls tlt tlu to- tob toc toe toi tol too tor tos tot tou trb trc tre tri trl tro trr trs trt tru tsb tsc tse tsi tsl tso tsr tss tst tsu ttb ttc tte tti ttl tto ttr tts ttt ttu tub tuc tue tui tul tuo tur tus tut tuu ubb ubc ube ubi ubl ubo ubr ubs ubt ubu ucb ucc uce uci ucl uco ucr ucs uct ucu ueb uec uee uei uel uer ues uet uib uic uie uii uil uio uir uis uit uiu ulb ulc ule uli ull ulo ulr uls ult ulu uob uoc uoe uol uoo uor uos uot ur- urb urc ure uri url uro urr urs urt uru usb usc use usi usl uso usr uss ust usu utb utc ute uti utl uto utr uts utt utu uuc uue uur uus uut uuu