-er -ic -ol -th b-u bbb bbc bbe bbh bbi bbl bbo bbr bbs bbt bbu bcb bcc bce bch bci bcl bco bcr bcs bct bcu be- beb bec bee beh bei bel beo ber bes bet beu bhb bhc bhe bhh bhi bhl bho bhr bhs bht bhu bi- bib bic bie bih bii bil bio bir bis bit biu blb blc ble blh bli bll blo blr bls blt blu bob boc boe boh boi bol boo bor bos bot bou brb bre brh bri brl bro brr brs brt bru bsb bsc bse bsh bsi bsl bso bsr bss bst bsu btb btc bte bth bti btl bto btr bts btt btu bub buc bue buh bui bul buo bur bus but buu c-- cbb cbc cbe cbh cbi cbl cbo cbr cbs cbt cbu ccb ccc cce cch cci ccl cco ccr ccs cct ccu ce- ceb cec cee ceh cei cel ceo cer ces cet ceu ch- chb chc che chh chi chl cho chr chs cht chu ci- cib cic cie cih cii cil cio cir cis cit ciu cl- clb clc cle clh cli cll clo clr cls clt clu co- cob coc coe coh coi col coo cor cos cot cou crb crc cre crh cri crl cro crr crs crt cru csb csc cse csh csi csl cso csr css cst csu ctb ctc cte cth cti ctl cto ctr cts ctt ctu cub cuc cue cuh cui cul cuo cur cus cut cuu ebb ebc ebe ebh ebi ebl ebo ebr ebs ebt ebu ec- ecb ecc ece ech eci ecl eco ecr ecs ect ecu eeb eec eee eel eeo eer ees eet ehb ehc ehe ehh ehi ehl eho ehr ehs eht ehu eib eic eie eii eil eio eir eis eit eiu elb elc ele elh eli ell elo elr els elt elu eo- eob eoc eoe eoh eoi eol eoo eor eos eot eou erb erc ere erh eri erl ero err ers ert eru es- esb esc ese esh esi esl eso esr ess est esu etb etc ete eth eti etl eto etr ets ett etu eu- eub euc eue eui eul eur eus eut h-i hbb hbc hbe hbh hbi hbl hbo hbr hbs hbt hbu hcb hcc hce hch hci hcl hco hcr hcs hct he- heb hec hee heh hei hel heo her hes het heu hhb hhc hhe hhh hhi hhl hho hhr hhs hht hhu hib hic hie hih hii hil hio hir his hit hiu hlb hlc hle hlh hli hll hlo hlr hls hlt hlu hob hoc hoe hoh hoi hol hoo hor hos hot hou hr- hrb hrc hre hrh hri hrl hro hrr hrs hrt hru hsb hsc hse hsh hsi hsl hsr hss hst hsu htb htc hte hth hti htl hto htr hts htt hub huc hue huh hui hul huo hur hus hut huu ibb ibc ibe ibh ibi ibl ibo ibr ibs ibt ibu icb icc ice ich ici icl ico icr ics ict icu ie- iec iee iei iel ier ies iet ihb ihc ihe ihh ihi ihl iho ihr ihs iht ihu iib iic iie iih iii iil iio iir iis iit iiu il- ilb ilc ile ilh ili ill ilo ilr ils ilt ilu io- iob ioc ioe ioh ioi iol ioo ior ios iot iou ir- irb irc ire iri irl iro irr irs irt iru is- isb isc ise ish isi isl iso isr iss ist isu itb itc ite ith iti itl ito its itt itu iu- iub iuc iue iui iur ius iut lbb lbc lbe lbh lbi lbl lbo lbr lbs lbt lbu lcb lcc lce lch lci lcl lco lcr lcs lct lcu leb lec lee leh lei lel leo ler les let leu lhb lhc lhh lhi lho lhr lhs lht lhu lib lic lie lih lii lil lio lir lis lit liu llb llc lle lli lll llo llr lls llt llu lob loc loe loh loi lol loo lor los lot lou lrb lrc lrh lri lro lrr lrs lrt lru lsb lsc lse lsh lsi lsl lso lsr lss lst lsu ltb ltc lte lth lti ltl lto ltr lts ltt ltu lub luc lue luh lui lul luo lur lus lut luu o-i ob- obb obc obe obh obi obl obo obr obs obt obu oc- ocb occ och oci ocl oco ocr ocs oct ocu oeb oec oee oeh oei oel oeo oer oes oet ohc ohe ohh ohi ohl oho ohr ohs oht ohu oib oic oie oii oil oio oir ois oit oiu olb olc ole oli oll olo ols olt olu oo- oob ooc ooh ooi ool ooo oor oos oot or- orb orc ore orh ori orl oro orr ors ort oru os- osb osc ose osh osi osl oso osr oss ost osu ot- otb otc ote oth oti otl oto otr ots ott otu ou- ouc oue ouh oui oul ouo our ous out rbb rbc rbe rbh rbi rbl rbo rbr rbs rbt rbu rcb rcc rce rch rci rcl rco rcr rcs rct rcu re- reb rec ree reh rei rel reo rer res ret reu rh- rhb rhc rhe rhh rhi rhl rho rhr rhs rht rhu rib ric rie rih rii ril rio rir ris rit rlc rle rlh rli rll rlo rlr rls rlt rlu rob roc roe roh roi rol roo ror ros rot rou rrb rrc rrh rri rrl rrr rrs rrt rru rsb rsc rse rsh rsi rsl rso rsr rss rst rsu rtb rtc rte rti rtl rto rtr rts rtt rtu rub ruc rue ruh rui ruo rur rus rut ruu sbb sbc sbe sbh sbi sbl sbo sbr sbs sbt sbu scb scc sce sch sci scl sco scr scs sct scu se- seb sec see seh sei sel seo ser ses set seu sh- shb shc she