-ic -ol -th b-p bbb bbc bbe bbh bbi bbl bbo bbp bbs bbt bcb bcc bce bch bci bcl bco bcp bcs bct be- beb bec bee beh bei bel beo bep bes bet bhb bhc bhe bhh bhi bhl bho bhp bhs bht bi- bib bic bie bih bii bil bio bip bis bit blb blc ble blh bli bll blo blp bls blt bob boc boe boh boi bol boo bop bos bot bpb bpc bpe bph bpi bpl bpo bpp bps bpt bsb bsc bse bsh bsi bsl bso bsp bss bst btb btc bte bth bti btl bto btp bts btt c-- cbb cbc cbe cbh cbi cbl cbo cbp cbs cbt ccb ccc cce cch cci ccl cco ccp ccs cct ce- ceb cec cee ceh cei cel ceo cep ces cet ch- chb chc che chh chi chl cho chp chs cht ci- cib cic cie cih cii cil cio cip cis cit cl- clb clc cle clh cli cll clo clp cls clt co- cob coc coe coh coi col coo cop cos cot cpb cpc cpe cph cpi cpl cpo cpp cps cpt csb csc cse csh csi csl cso csp css cst ctb ctc cte cth cti ctl cto ctp cts ctt ebb ebc ebe ebh ebi ebl ebo ebp ebs ebt ec- ecb ecc ece ech eci ecl eco ecs ect eeb eec eee eel eeo eep ees eet ehb ehc ehe ehh ehi ehl eho ehp ehs eht eib eic eie eii eil eio eip eis eit elb elc ele elh eli ell elo elp els elt eo- eob eoc eoe eoh eoi eol eoo eop eos eot ep- epb epc epe eph epi epl epo epp eps ept es- esb esc ese esh esi esl eso esp ess est etb etc ete eth eti etl eto etp ets ett h-i hbb hbc hbe hbh hbi hbl hbo hbp hbs hbt hcb hcc hce hch hci hcl hco hcp hcs hct he- heb hec hee heh hei hel heo hep hes het hhb hhc hhe hhh hhi hhl hho hhp hhs hht hib hic hie hih hii hil hio hip his hit hlb hlc hle hlh hli hll hlo hlp hls hlt hob hoc hoe hoh hoi hol hoo hop hos hot hpb hpc hpe hph hpi hpl hpo hpp hps hpt hsb hsc hse hsh hsi hsl hsp hss hst htb htc hte hth hti htl hto htp hts htt ibb ibc ibe ibh ibi ibl ibo ibp ibs ibt icb icc ice ich ici icl ico icp ics ict ie- iec iee iei iel iep ies iet ihb ihc ihe ihh ihi ihl iho ihp ihs iht iib iic iie iih iii iil iio iip iis iit il- ilb ilc ile ilh ili ill ilo ilp ils ilt io- iob ioc ioe ioh ioi iol ioo iop ios iot ipb ipc ipe ipi ipl ipo ipp ips ipt is- isb isc ise ish isi isl iso isp iss ist itb itc ite ith iti itl ito itp its itt l-p lbb lbc lbe lbh lbi lbl lbo lbp lbs lbt lcb lcc lce lch lci lcl lco lcp lcs lct leb lec lee leh lei lel leo lep les let lhb lhc lhh lhi lho lhp lhs lht lib lic lie lih lii lil lio lip lis lit llb llc lle lli lll llo llp lls llt lob loc loe loh loi lol loo lop los lot lpb lpc lpe lph lpi lpl lpo lpp lps lpt lsb lsc lse lsh lsi lsl lso lsp lss lst ltb ltc lte lth lti ltl lto ltp lts ltt o-i ob- obb obc obe obh obi obl obo obp obs obt oc- ocb occ och oci ocl oco ocp ocs oct oeb oec oee oeh oei oel oeo oep oes oet ohc ohe ohh ohi ohl oho ohp ohs oht oib oic oie oii oil oio oip ois oit olb olc ole oli oll olo olp ols olt oo- oob ooc ooh ooi ool ooo oop oos oot op- opb opc ope oph opi opl opo opp ops opt os- osb osc ose osh osi osl oso osp oss ost ot- otb otc ote oth oti otl oto otp ots ott p-p pbb pbc pbe pbi pbl pbo pbp pbs pbt pcb pcc pce pch pci pcl pco pcp pcs pct peb pec pee peh pei pel peo pep pes pet phb phc phe phi phl pho php phs pht pib pic pie pih pii pil pio pip pis pit plb plc ple plh pli pll plo plp pls plt pob poc poe poh poi pol poo pop pos pot ppb ppc ppe pph ppi ppl ppo ppp pps ppt ps- psb psc pse psh psi psl pso psp pss pst pt- ptb ptc pte pth pti ptl pto ptp pts ptt sbb sbc sbe sbh sbi sbl sbo sbp sbs sbt scb scc sce sch sci scl sco scp scs sct se- seb sec see seh sei sel seo sep ses set sh- shb shc she shh shi shl sho shp shs sht sib sic sie sih sii sil sio sip sis sit slb slc sle slh sli sll slo slp sls slt sob soc soe soh soi sol soo sop sos sot spb spc spe sph spi spl spo spp sps spt ss- ssb ssc sse ssh ssi ssl sso ssp sss sst stb stc ste sth sti stl sto stp sts stt tbb tbc tbe tbh tbi tbl tbo tbp tbs tbt tcb tcc tce tch tci tcl tco tcp tcs tct te- teb tec tee teh tei tel teo tep tes tet th- thb thc the thh thi thl tho thp ths tht tib tic tie tih tii til tio tip tis tit tlc tle tlh tli tll tlo tlp tls tlt to- tob toc toe toh toi tol too top tos tot tpb tpc tpe tph tpi tpl tpo tpp tps tpt tsb