-ic -ol -th bbb bbc bbe bbh bbi bbk bbl bbo bbt bcb bcc bce bch bci bck bcl bco bct be- beb bec bee beh bei bek bel beo bet bhb bhc bhe bhh bhi bhk bhl bho bht bi- bib bic bie bih bii bik bil bio bit bkb bkc bke bkk bkl bko bkt blb blc ble blh bli blk bll blo blt bob boc boe boh boi bok bol boo bot btb btc bte bth bti btk btl bto btt c-- cbb cbc cbe cbh cbi cbk cbl cbo cbt ccb ccc cce cch cci cck ccl cco cct ce- ceb cec cee ceh cei cek cel ceo cet ch- chb chc che chh chi chk chl cho cht ci- cib cic cie cih cii cik cil cio cit ckb ckc ckh cki cko ckt cl- clb clc cle clh cli clk cll clo clt co- cob coc coe coh coi cok col coo cot ctb ctc cte cth cti ctk ctl cto ctt ebb ebc ebe ebh ebi ebk ebl ebo ebt ec- ecb ecc ece ech eci eck ecl eco ect eeb eec eee eek eel eeo eet ehb ehc ehe ehh ehi ehl eho eht eib eic eie eii eik eil eio eit ekb ekc eke ekh eki ekl eko ekt elb elc ele elh eli elk ell elo elt eo- eob eoc eoe eoh eoi eok eol eoo eot etb etc ete eth eti etk etl eto ett h-i hbb hbc hbe hbh hbi hbk hbl hbo hbt hcb hcc hce hch hci hck hcl hco hct he- heb hec hee heh hei hek hel heo het hhb hhc hhe hhh hhi hhk hhl hho hht hib hic hie hih hii hik hil hio hit hkb hkh hki hkk hkl hko hkt hlb hlc hle hlh hli hll hlo hlt hob hoc hoe hoh hoi hok hol hoo hot htb htc hte hth hti htk htl hto htt ibb ibc ibe ibh ibi ibk ibl ibo ibt icb icc ice ich ici ick icl ico ict ie- iec iee iei iek iel iet ihb ihc ihe ihh ihi ihk ihl iho iht iib iic iie iih iii iil iio iit ikb ikc ike iki ikk ikl iko ikt il- ilb ilc ile ilh ili ilk ill ilo ilt io- iob ioc ioe ioh ioi iol ioo iot itb itc ite ith iti itk itl ito itt k-t kbb kbc kbe kbh kbi kbk kbl kbo kcb kcc kce kch kci kck kcl kct ke- keb kec kee keh kei kek kel keo ket khe khh khi khk kho kib kic kie kih kii kik kil kio kit kkb kkc kke kkh kki kkk kkl kkt kl- klb klc klh kli klo klt kob koc koe koh koi kok kol koo kot ktb ktc kte kth ktk ktl kto ktt lbb lbc lbe lbh lbi lbk lbl lbo lbt lcb lcc lce lch lci lck lcl lco lct leb lec lee leh lei lek lel leo let lhb lhc lhh lhi lhk lho lht lib lic lie lih lii lik lil lio lit lkb lkh lkl lkt llb llc lle lli llk lll llo llt lob loc loe loh loi lok lol loo lot ltb ltc lte lth lti ltk ltl lto ltt o-i ob- obb obc obe obh obi obk obl obo obt oc- ocb occ och oci ock ocl oco oct oeb oec oee oeh oei oel oeo oet ohc ohe ohh ohi ohl oho oht oib oic oie oii oik oil oio oit okb okc oke oki okk okl oko olb olc ole oli olk oll olo olt oo- oob ooc ooh ooi ook ool ooo oot ot- otb otc ote oth oti otk otl oto ott tbb tbc tbe tbh tbi tbk tbl tbo tbt tcb tcc tce tch tci tck tcl tco tct te- teb tec tee teh tei tek tel teo tet th- thb thc the thh thi thk thl tho tht tib tic tie tih tii tik til tio tit tkb tkc tke tkk tkl tko tkt tlc tle tlh tli tlk tll tlo tlt to- tob toc toe toh toi tok tol too tot ttb ttc tte tth tti ttk ttl tto ttt

bbbb bbch bbci bbeb bbet bblb bcbc bccc bcci bccl bcec bcet bche bcie bcit bctc bebb bebe bebi bebo bech beci beck beeb beek beel beet beic beik beil beit beke beki beko bele beli belk bell belo belt beo- beok beot betc bete beth beti beto bett bhcc bhel bhet bhie bhil bhit bhoi bhot bibb bibe bibi bibl bibo bicc bice bich bici bick bico bieb biel biet bihe bihi bihl bike bikh biko bile bili bilk bill bilo bilt bio- bioc bioi biol biot bitc bite bith bito bitt blbt bleb blee bleh blei blek bleo blet blic blik blio blit blkb blob bloc blok bloo blot bobb bobe bobi bobo boce boch bock boco boec boee boel boeo boet bohl boho boht boi- boie boii boil boit boke boki boko bole boli bolk boll bolo bolt boob booc booe booh book bool boot botb bote both boti boto bott btcc btcl btec btek btie btob bttb c-bo cbbc cbcc cbce cbcl cbct cbec cbee cbet cbhl cbit cbkl cbko cblb cblc cbol cbot cbtc cbtl ccbc cccb cccc ccci cccl ccee ccel cche cchl ccic ccii ccil cclc ccli ccob ccoc cctb cctc cctl cctt cec- cece ceci ceco cect ceeb ceec ceel cehl ceil ceke cel- celc cele celi cell celo celt ceol cet- cete ceti ceto chce chch chci cheb chec chee cheh chek chel chet chib chic chie chih chik chil chit chkb chkt chlc chlt choc choh choi chok chol choo chto chtt cibc cibe cibi cibo cicc cich cici cico cict ciee ciel ciht ciii ciit ciko cili cilk cill cilo cilt ciob citb cite cith citi citl cito citt ckbc ckbe ckbi ckch ckck ckcl ckco ckob ckoc ckoi ckoo ckot