-er -ic -th b-u bbb bbc bbd bbe bbh bbi bbk bbo bbr bbt bbu bcb bcc bcd bce bch bci bck bco bcr bct bcu bdb bdc bdd bde bdh bdi bdk bdo bdr bdt bdu be- beb bec bed bee beh bei bek beo ber bet beu bhb bhc bhd bhe bhh bhi bhk bho bhr bht bhu bi- bib bic bid bie bih bii bik bio bir bit biu bkb bkc bke bkk bko bkr bkt bob boc bod boe boh boi bok boo bor bot bou brb brd bre brh bri brk bro brr brt bru btb btc btd bte bth bti btk bto btr btt btu bub buc bud bue buh bui buk buo bur but buu c-- cbb cbc cbd cbe cbh cbi cbk cbo cbr cbt cbu ccb ccc ccd cce cch cci cck cco ccr cct ccu cdb cdc cdd cde cdh cdi cdk cdo cdr cdt cdu ce- ceb cec ced cee ceh cei cek ceo cer cet ceu ch- chb chc chd che chh chi chk cho chr cht chu ci- cib cic cid cie cih cii cik cio cir cit ciu ckb ckc ckd ckh cki cko ckt co- cob coc cod coe coh coi cok coo cor cot cou crb crc crd cre crh cri crk cro crr crt cru ctb ctc ctd cte cth cti ctk cto ctr ctt ctu cub cuc cud cue cuh cui cuk cuo cur cut cuu dbb dbc dbd dbe dbh dbi dbk dbo dbr dbt dbu dcb dcc dcd dce dci dck dco dcr dct dcu ddb ddc ddd dde ddh ddi ddk ddo ddr ddt ddu de- deb dec ded dee deh dei dek deo der det deu dh- dhb dhc dhd dhe dhh dhi dhk dho dhr dht dhu di- dib dic did die dih dii dik dio dir dit diu dkb dkc dke dki dkk dko dkr dkt dku dob doc dod doe doh doi dok doo dor dot dou drb drc drd dre dri drk dro drr drt dru dtb dtc dtd dte dth dti dtk dto dtr dtt dtu dub duc dud due duh dui duk duo dur dut ebb ebc ebd ebe ebh ebi ebk ebo ebr ebt ebu ec- ecb ecc ecd ece ech eci eck eco ecr ect ecu ed- edb edc edd ede edh edi edk edo edr edt edu eeb eec eed eee eek eeo eer eet ehb ehc ehd ehe ehh ehi eho ehr eht ehu eib eic eid eie eii eik eio eir eit eiu ekb ekc ekd eke ekh eki eko ekr ekt eku eo- eob eoc eod eoe eoh eoi eok eoo eor eot eou erb erc erd ere erh eri erk ero err ert eru etb etc etd ete eth eti etk eto etr ett etu eu- eub euc eud eue eui eur eut h-i hbb hbc hbd hbe hbh hbi hbk hbo hbr hbt hbu hcb hcc hcd hce hch hci hck hco hcr hct hdb hdc hdd hde hdh hdi hdk hdo hdr hdt hdu he- heb hec hed hee heh hei hek heo her het heu hhb hhc hhd hhe hhh hhi hhk hho hhr hht hhu hib hic hid hie hih hii hik hio hir hit hiu hkb hkd hkh hki hkk hko hkr hkt hku hob hoc hod hoe hoh hoi hok hoo hor hot hou hr- hrb hrc hrd hre hrh hri hrk hro hrr hrt hru htb htc htd hte hth hti htk hto htr htt hub huc hud hue huh hui huk huo hur hut huu i-d ibb ibc ibd ibe ibh ibi ibk ibo ibr ibt ibu icb icc icd ice ich ici ick ico icr ict icu idb idc idd ide idh idi idk ido idr idt idu ie- iec ied iee iei iek ier iet ihb ihc ihd ihe ihh ihi ihk iho ihr iht ihu iib iic iid iie iih iii iio iir iit iiu ikb ikc ike iki ikk iko ikr ikt iku io- iob ioc iod ioe ioh ioi ioo ior iot iou ir- irb irc ird ire iri irk iro irr irt iru itb itc itd ite ith iti itk ito itt itu iu- iub iuc iud iue iui iur iut k-t kbb kbc kbd kbe kbh kbi kbk kbo kbr kbu kcb kcc kcd kce kch kci kck kcr kct kcu kdb kdc kde kdh kdk kdo kdr kdt kdu ke- keb kec ked kee keh kei kek keo ker ket khe khh khi khk kho khr khu kib kic kid kie kih kii kik kio kir kit kiu kkb kkc kke kkh kki kkk kkr kkt kku kob koc kod koe koh koi kok koo kor kot kou krc krd kri krk kro krr krt kru ktb ktc kte kth ktk kto ktr ktt ktu kub kuc kud kue kuh kui kuk kur kut kuu o-i ob- obb obc obd obe obh obi obk obo obr obt obu oc- ocb occ ocd och oci ock oco ocr oct ocu odb odc odd ode odh odi odo odr odt odu oeb oec oed oee oeh oei oeo oer oet ohc ohd ohe ohh ohi oho ohr oht ohu oib oic oid oie oii oik oio oir oit oiu okb okc okd oke oki okk oko okr oku oo- oob ooc ood ooh ooi ook ooo oor oot or- orb orc ord ore orh ori ork oro orr ort oru ot- otb otc otd ote oth oti otk oto otr ott otu ou- ouc oud oue ouh oui ouk ouo our out rbb rbc rbd rbe rbh rbi rbk rbo rbr rbt rbu rcb rcc rcd rce rch rci rco rcr rct rcu rdb rdc rdd rde rdh rdi rdo rdr rdt rdu re- reb rec red ree reh rei rek reo rer ret reu rh- rhb rhc rhd rhe rhh rhi rho rhr rht rhu rib ric rid rie rih rii rik rio rir rit rkb rkc rke rkk rko