-er -ic -ol b-u bbb bbc bbe bbi bbl bbo bbr bbt bbu bcb bcc bce bci bcl bco bcr bct bcu be- beb bec bee bei bel beo ber bet beu bi- bib bic bie bii bil bio bir bit biu blb blc ble bli bll blo blr blt blu bob boc boe boi bol boo bor bot bou brb bre bri brl bro brr brt bru btb btc bte bti btl bto btr btt btu bub buc bue bui bul buo bur but buu c-- cbb cbc cbe cbi cbl cbo cbr cbt cbu ccb ccc cce cci ccl cco ccr cct ccu ce- ceb cec cee cei cel ceo cer cet ceu ci- cib cic cie cii cil cio cir cit ciu cl- clb clc cle cli cll clo clr clt clu co- cob coc coe coi col coo cor cot cou crb crc cre cri crl cro crr crt cru ctb ctc cte cti ctl cto ctr ctt ctu cub cuc cue cui cul cuo cur cut cuu ebb ebc ebe ebi ebl ebo ebr ebt ebu ec- ecb ecc ece eci ecl eco ecr ect ecu eeb eec eee eel eeo eer eet eib eic eie eii eil eio eir eit eiu elb elc ele eli ell elo elr elt elu eo- eob eoc eoe eoi eol eoo eor eot eou erb erc ere eri erl ero err ert eru etb etc ete eti etl eto etr ett etu eu- eub euc eue eui eul eur eut ibb ibc ibe ibi ibl ibo ibr ibt ibu icb icc ice ici icl ico icr ict icu ie- iec iee iei iel ier iet iib iic iie iii iil iio iir iit iiu il- ilb ilc ile ili ill ilo ilr ilt ilu io- iob ioc ioe ioi iol ioo ior iot iou ir- irb irc ire iri irl iro irr irt iru itb itc ite iti itl ito itt itu iu- iub iuc iue iui iur iut lbb lbc lbe lbi lbl lbo lbr lbt lbu lcb lcc lce lci lcl lco lcr lct lcu leb lec lee lei lel leo ler let leu lib lic lie lii lil lio lir lit liu llb llc lle lli lll llo llr llt llu lob loc loe loi lol loo lor lot lou lrb lrc lri lro lrr lrt lru ltb ltc lte lti ltl lto ltr ltt ltu lub luc lue lui lul luo lur lut luu o-i ob- obb obc obe obi obl obo obr obt obu oc- ocb occ oci ocl oco ocr oct ocu oeb oec oee oei oel oeo oer oet oib oic oie oii oil oio oir oit oiu olb olc ole oli oll olo olt olu oo- oob ooc ooi ool ooo oor oot or- orb orc ore ori orl oro orr ort oru ot- otb otc ote oti otl oto otr ott otu ou- ouc oue oui oul ouo our out rbb rbc rbe rbi rbl rbo rbr rbt rbu rcb rcc rce rci rcl rco rcr rct rcu re- reb rec ree rei rel reo rer ret reu rib ric rie rii ril rio rir rit rlc rle rli rll rlo rlr rlt rlu rob roc roe roi rol roo ror rot rou rrb rrc rri rrl rrr rrt rru rtb rtc rte rti rtl rto rtr rtt rtu rub ruc rue rui ruo rur rut ruu tbb tbc tbe tbi tbl tbo tbr tbt tbu tcb tcc tce tci tcl tco tcr tct tcu te- teb tec tee tei tel teo ter tet teu tib tic tie tii til tio tir tit tiu tlc tle tli tll tlo tlr tlt tlu to- tob toc toe toi tol too tor tot tou trb trc tre tri trl tro trr trt tru ttb ttc tte tti ttl tto ttr ttt ttu tub tuc tue tui tul tuo tur tut tuu ubb ubc ube ubi ubl ubo ubr ubt ubu ucb ucc uce uci ucl uco ucr uct ucu ueb uec uee uei uel uer uet uib uic uie uii uil uio uir uit uiu ulb ulc ule uli ull ulo ulr ult ulu uob uoc uoe uol uoo uor uot ur- urb urc ure uri url uro urr urt uru utb utc ute uti utl uto utr utt utu uuc uue uur uut uuu