-er -ic -th bbb bbc bbe bbh bbi bbk bbo bbr bbt bcb bcc bce bch bci bck bco bcr bct be- beb bec bee beh bei bek beo ber bet bhb bhc bhe bhh bhi bhk bho bhr bht bi- bib bic bie bih bii bik bio bir bit bkb bkc bke bkk bko bkr bkt bob boc boe boh boi bok boo bor bot brb bre brh bri brk bro brr brt btb btc bte bth bti btk bto btr btt c-- cbb cbc cbe cbh cbi cbk cbo cbr cbt ccb ccc cce cch cci cck cco ccr cct ce- ceb cec cee ceh cei cek ceo cer cet ch- chb chc che chh chi chk cho chr cht ci- cib cic cie cih cii cik cio cir cit ckb ckc ckh cki cko ckt co- cob coc coe coh coi cok coo cor cot crb crc cre crh cri crk cro crr crt ctb ctc cte cth cti ctk cto ctr ctt ebb ebc ebe ebh ebi ebk ebo ebr ebt ec- ecb ecc ece ech eci eck eco ecr ect eeb eec eee eek eeo eer eet ehb ehc ehe ehh ehi eho ehr eht eib eic eie eii eik eio eir eit ekb ekc eke ekh eki eko ekr ekt eo- eob eoc eoe eoh eoi eok eoo eor eot erb erc ere erh eri erk ero err ert etb etc ete eth eti etk eto etr ett h-i hbb hbc hbe hbh hbi hbk hbo hbr hbt hcb hcc hce hch hci hck hco hcr hct he- heb hec hee heh hei hek heo her het hhb hhc hhe hhh hhi hhk hho hhr hht hib hic hie hih hii hik hio hir hit hkb hkh hki hkk hko hkr hkt hob hoc hoe hoh hoi hok hoo hor hot hr- hrb hrc hre hrh hri hrk hro hrr hrt htb htc hte hth hti htk hto htr htt ibb ibc ibe ibh ibi ibk ibo ibr ibt icb icc ice ich ici ick ico icr ict ie- iec iee iei iek ier iet ihb ihc ihe ihh ihi ihk iho ihr iht iib iic iie iih iii iio iir iit ikb ikc ike iki ikk iko ikr ikt io- iob ioc ioe ioh ioi ioo ior iot ir- irb irc ire iri irk iro irr irt itb itc ite ith iti itk ito itt k-t kbb kbc kbe kbh kbi kbk kbo kbr kcb kcc kce kch kci kck kcr kct ke- keb kec kee keh kei kek keo ker ket khe khh khi khk kho khr kib kic kie kih kii kik kio kir kit kkb kkc kke kkh kki kkk kkr kkt kob koc koe koh koi kok koo kor kot krc kri krk kro krr krt ktb ktc kte kth ktk kto ktr ktt o-i ob- obb obc obe obh obi obk obo obr obt oc- ocb occ och oci ock oco ocr oct oeb oec oee oeh oei oeo oer oet ohc ohe ohh ohi oho ohr oht oib oic oie oii oik oio oir oit okb okc oke oki okk oko okr oo- oob ooc ooh ooi ook ooo oor oot or- orb orc ore orh ori ork oro orr ort ot- otb otc ote oth oti otk oto otr ott rbb rbc rbe rbh rbi rbk rbo rbr rbt rcb rcc rce rch rci rco rcr rct re- reb rec ree reh rei rek reo rer ret rh- rhb rhc rhe rhh rhi rho rhr rht rib ric rie rih rii rik rio rir rit rkb rkc rke rkk rko rkt rob roc roe roh roi rok roo ror rot rrb rrc rrh rri rrk rrr rrt rtb rtc rte rti rtk rto rtr rtt tbb tbc tbe tbh tbi tbk tbo tbr tbt tcb tcc tce tch tci tck tco tcr tct te- teb tec tee teh tei tek teo ter tet th- thb thc the thh thi thk tho thr tht tib tic tie tih tii tik tio tir tit tkb tkc tke tkk tko tkr tkt to- tob toc toe toh toi tok too tor tot trb trc tre trh tri trk tro trr trt ttb ttc tte tth tti ttk tto ttr ttt

bbbb bbch bbci bbeb bbet bbrc bcbc bccc bcci bcec bcer bcet bche bcie bcit bcor bctc bebb bebe bebi bebo bech beci beck beeb beek beer beet behr beic beik beir beit beke beki beko beo- beok beor beot berc bere beri berk bero berr bert betc bete beth beti beto bett bhcc bher bhet bhie bhir bhit bhoi bhor bhot bhrt bibb bibe bibi bibo bicc bice bich bici bick bico bieb bier biet bihe bihi bike bikh biko bio- bioc bioi biot birb bire biri birk biro birr birt bitc bite bith bito bitt bobb bobe bobi bobo boce boch bock boco boec boee boeo boer boet boho bohr boht boi- boie boii boit boke boki boko boob booc booe booh book boor boot bor- bore borh bori bork boro borr bort botb bote both boti boto bott brcb brce breb brec bree brei brek breo brer bret bric brie brih brik brio brit brkb brob broc broe broh brok broo bror brot brrr brtc btcc btec btek btie btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbir cbit cbko cbkr cbot cbre cbrh cbrt cbtc ccbc cccb cccc ccci ccee cche cchr ccic ccii ccir ccob ccoc ccrc ccre ccri ccrt cctb cctc cctt cec- cece ceci ceco cect ceeb ceec ceke ceor cer- cerc cere ceri cero cert cet- cete ceti ceto chce chch chci cheb chec chee cheh chek cher chet chib chic chie chih chik chir chit chkb chkt choc choh choi chok choo chor chrb chrc chro chrr chrt chto chtr chtt cibc cibe cibi cibo cicc cich cici cico cicr cict ciee cier cihr ciht ciii ciit ciko cikr ciob cior cirb circ