-er -ic -ol -th bbb bbc bbe bbh bbi bbk bbl bbo bbr bbt bcb bcc bce bch bci bck bcl bco bcr bct be- beb bec bee beh bei bek bel beo ber bet bhb bhc bhe bhh bhi bhk bhl bho bhr bht bi- bib bic bie bih bii bik bil bio bir bit bkb bkc bke bkk bkl bko bkr bkt blb blc ble blh bli blk bll blo blr blt bob boc boe boh boi bok bol boo bor bot brb bre brh bri brk brl bro brr brt btb btc bte bth bti btk btl bto btr btt c-- cbb cbc cbe cbh cbi cbk cbl cbo cbr cbt ccb ccc cce cch cci cck ccl cco ccr cct ce- ceb cec cee ceh cei cek cel ceo cer cet ch- chb chc che chh chi chk chl cho chr cht ci- cib cic cie cih cii cik cil cio cir cit ckb ckc ckh cki cko ckt cl- clb clc cle clh cli clk cll clo clr clt co- cob coc coe coh coi cok col coo cor cot crb crc cre crh cri crk crl cro crr crt ctb ctc cte cth cti ctk ctl cto ctr ctt ebb ebc ebe ebh ebi ebk ebl ebo ebr ebt ec- ecb ecc ece ech eci eck ecl eco ecr ect eeb eec eee eek eel eeo eer eet ehb ehc ehe ehh ehi ehl eho ehr eht eib eic eie eii eik eil eio eir eit ekb ekc eke ekh eki ekl eko ekr ekt elb elc ele elh eli elk ell elo elr elt eo- eob eoc eoe eoh eoi eok eol eoo eor eot erb erc ere erh eri erk erl ero err ert etb etc ete eth eti etk etl eto etr ett h-i hbb hbc hbe hbh hbi hbk hbl hbo hbr hbt hcb hcc hce hch hci hck hcl hco hcr hct he- heb hec hee heh hei hek hel heo her het hhb hhc hhe hhh hhi hhk hhl hho hhr hht hib hic hie hih hii hik hil hio hir hit hkb hkh hki hkk hkl hko hkr hkt hlb hlc hle hlh hli hll hlo hlr hlt hob hoc hoe hoh hoi hok hol hoo hor hot hr- hrb hrc hre hrh hri hrk hrl hro hrr hrt htb htc hte hth hti htk htl hto htr htt ibb ibc ibe ibh ibi ibk ibl ibo ibr ibt icb icc ice ich ici ick icl ico icr ict ie- iec iee iei iek iel ier iet ihb ihc ihe ihh ihi ihk ihl iho ihr iht iib iic iie iih iii iil iio iir iit ikb ikc ike iki ikk ikl iko ikr ikt il- ilb ilc ile ilh ili ilk ill ilo ilr ilt io- iob ioc ioe ioh ioi iol ioo ior iot ir- irb irc ire iri irk irl iro irr irt itb itc ite ith iti itk itl ito itt k-t kbb kbc kbe kbh kbi kbk kbl kbo kbr kcb kcc kce kch kci kck kcl kcr kct ke- keb kec kee keh kei kek kel keo ker ket khe khh khi khk kho khr kib kic kie kih kii kik kil kio kir kit kkb kkc kke kkh kki kkk kkl kkr kkt kl- klb klc klh kli klo klr klt kob koc koe koh koi kok kol koo kor kot krc kri krk krl kro krr krt ktb ktc kte kth ktk ktl kto ktr ktt lbb lbc lbe lbh lbi lbk lbl lbo lbr lbt lcb lcc lce lch lci lck lcl lco lcr lct leb lec lee leh lei lek lel leo ler let lhb lhc lhh lhi lhk lho lhr lht lib lic lie lih lii lik lil lio lir lit lkb lkh lkl lkr lkt llb llc lle lli llk lll llo llr llt lob loc loe loh loi lok lol loo lor lot lrb lrc lrh lri lrk lro lrr lrt ltb ltc lte lth lti ltk ltl lto ltr ltt o-i ob- obb obc obe obh obi obk obl obo obr obt oc- ocb occ och oci ock ocl oco ocr oct oeb oec oee oeh oei oel oeo oer oet ohc ohe ohh ohi ohl oho ohr oht oib oic oie oii oik oil oio oir oit okb okc oke oki okk okl oko okr olb olc ole oli olk oll olo olt oo- oob ooc ooh ooi ook ool ooo oor oot or- orb orc ore orh ori ork orl oro orr ort ot- otb otc ote oth oti otk otl oto otr ott rbb rbc rbe rbh rbi rbk rbl rbo rbr rbt rcb rcc rce rch rci rcl rco rcr rct re- reb rec ree reh rei rek rel reo rer ret rh- rhb rhc rhe rhh rhi rhl rho rhr rht rib ric rie rih rii rik ril rio rir rit rkb rkc rke rkk rko rkt rlc rle rlh rli rll rlo rlr rlt rob roc roe roh roi rok rol roo ror rot rrb rrc rrh rri rrk rrl rrr rrt rtb rtc rte rti rtk rtl rto rtr rtt tbb tbc tbe tbh tbi tbk tbl tbo tbr tbt tcb tcc tce tch tci tck tcl tco tcr tct te- teb tec tee teh tei tek tel teo ter tet th- thb thc the thh thi thk thl tho thr tht tib tic tie tih tii tik til tio tir tit tkb tkc tke tkk tkl tko tkr tkt tlc tle tlh tli tlk tll tlo tlr tlt to- tob toc toe toh toi tok tol too tor tot trb trc tre trh tri trk trl tro trr trt ttb ttc tte tth tti ttk ttl tto ttr ttt