-er -ic -th -up b-p b-u bbb bbc bbe bbh bbi bbk bbo bbp bbr bbs bbt bbu bcb bcc bce bch bci bck bco bcp bcr bcs bct bcu be- beb bec bee beh bei bek beo bep ber bes bet beu bhb bhc bhe bhh bhi bhk bho bhp bhr bhs bht bhu bi- bib bic bie bih bii bik bio bip bir bis bit biu bkb bkc bke bkk bko bkp bkr bks bkt bob boc boe boh boi bok boo bop bor bos bot bou bpb bpc bpe bph bpi bpo bpp bpr bps bpt bpu brb bre brh bri brk bro brp brr brs brt bru bsb bsc bse bsh bsi bsk bso bsp bsr bss bst bsu btb btc bte bth bti btk bto btp btr bts btt btu bub buc bue buh bui buk buo bup bur bus but buu c-- cbb cbc cbe cbh cbi cbk cbo cbp cbr cbs cbt cbu ccb ccc cce cch cci cck cco ccp ccr ccs cct ccu ce- ceb cec cee ceh cei cek ceo cep cer ces cet ceu ch- chb chc che chh chi chk cho chp chr chs cht chu ci- cib cic cie cih cii cik cio cip cir cis cit ciu ckb ckc ckh cki cko cks ckt co- cob coc coe coh coi cok coo cop cor cos cot cou cpb cpc cpe cph cpi cpk cpo cpp cpr cps cpt cpu crb crc cre crh cri crk cro crp crr crs crt cru csb csc cse csh csi csk cso csp csr css cst csu ctb ctc cte cth cti ctk cto ctp ctr cts ctt ctu cub cuc cue cuh cui cuk cuo cup cur cus cut cuu ebb ebc ebe ebh ebi ebk ebo ebp ebr ebs ebt ebu ec- ecb ecc ece ech eci eck eco ecr ecs ect ecu eeb eec eee eek eeo eep eer ees eet ehb ehc ehe ehh ehi eho ehp ehr ehs eht ehu eib eic eie eii eik eio eip eir eis eit eiu ekb ekc eke ekh eki eko ekp ekr eks ekt eku eo- eob eoc eoe eoh eoi eok eoo eop eor eos eot eou ep- epb epc epe eph epi epo epp epr eps ept epu erb erc ere erh eri erk ero erp err ers ert eru es- esb esc ese esh esi esk eso esp esr ess est esu etb etc ete eth eti etk eto etp etr ets ett etu eu- eub euc eue eui eup eur eus eut h-i hbb hbc hbe hbh hbi hbk hbo hbp hbr hbs hbt hbu hcb hcc hce hch hci hck hco hcp hcr hcs hct he- heb hec hee heh hei hek heo hep her hes het heu hhb hhc hhe hhh hhi hhk hho hhp hhr hhs hht hhu hib hic hie hih hii hik hio hip hir his hit hiu hkb hkh hki hkk hko hkp hkr hks hkt hku hob hoc hoe hoh hoi hok hoo hop hor hos hot hou hpb hpc hpe hph hpi hpk hpo hpp hpr hps hpt hpu hr- hrb hrc hre hrh hri hrk hro hrp hrr hrs hrt hru hsb hsc hse hsh hsi hsk hsp hsr hss hst hsu htb htc hte hth hti htk hto htp htr hts htt hub huc hue huh hui huk huo hup hur hus hut huu ibb ibc ibe ibh ibi ibk ibo ibp ibr ibs ibt ibu icb icc ice ich ici ick ico icp icr ics ict icu ie- iec iee iei iek iep ier ies iet ihb ihc ihe ihh ihi ihk iho ihp ihr ihs iht ihu iib iic iie iih iii iio iip iir iis iit iiu ikb ikc ike iki ikk iko ikr iks ikt iku io- iob ioc ioe ioh ioi ioo iop ior ios iot iou ipb ipc ipe ipi ipo ipp ipr ips ipt ipu ir- irb irc ire iri irk iro irp irr irs irt iru is- isb isc ise ish isi isk iso isp isr iss ist isu itb itc ite ith iti itk ito itp its itt itu iu- iub iuc iue iui iup iur ius iut k-t kbb kbc kbe kbh kbi kbk kbo kbp kbr kbs kbu kcb kcc kce kch kci kck kcp kcr kcs kct kcu ke- keb kec kee keh kei kek keo kep ker kes ket khe khh khi khk kho khr khs khu kib kic kie kih kii kik kio kip kir kis kit kiu kkb kkc kke kkh kki kkk kkp kkr kks kkt kku kob koc koe koh koi kok koo kop kor kos kot kou kpc kpe kph kpi kpk kpo kpp kpr kps kpt kpu krc kri krk kro krp krr krs krt kru ksb ksc kse ksh ksi ksk kso ksp ksr kss kst ksu ktb ktc kte kth ktk kto ktp ktr kts ktt ktu kub kuc kue kuh kui kuk kup kur kus kut kuu o-i ob- obb obc obe obh obi obk obo obp obr obs obt obu oc- ocb occ och oci ock oco ocp ocr ocs oct ocu oeb oec oee oeh oei oeo oep oer oes oet ohc ohe ohh ohi oho ohp ohr ohs oht ohu oib oic oie oii oik oio oip oir ois oit oiu okb okc oke oki okk oko okp okr oks oku oo- oob ooc ooh ooi ook ooo oop oor oos oot op- opb opc ope oph opi opk opo opp opr ops opt or- orb orc ore orh ori ork oro orp orr ors ort oru os- osb osc ose osh osi osk oso osp osr oss ost osu ot- otb otc ote oth oti otk oto otp otr ots ott otu ou- ouc oue ouh oui ouk ouo oup our ous out p-p pbb pbc pbe pbi pbk pbo pbp pbr pbs pbt pbu pcb pcc pce pch pci pck pco pcp pcr pcs pct pcu peb