-er b-u bbb bbc bbe bbh bbk bbn bbo bbr bbu bcb bcc bce bch bck bcn bco bcr bcu be- beb bec bee beh bek ben beo ber beu bhb bhc bhe bhh bhk bho bhr bhu bkb bkc bke bkk bkn bko bkr bnb bnc bne bnk bnn bno bnr bnu bob boc boe boh bok bon boo bor bou brb bre brh brk brn bro brr bru bub buc bue buh buk bun buo bur buu c-- cbb cbc cbe cbh cbk cbn cbo cbr cbu ccb ccc cce cch cck ccn cco ccr ccu ce- ceb cec cee ceh cek cen ceo cer ceu ch- chb chc che chh chk chn cho chr chu ckb ckc ckh cko cn- cnb cnc cne cnh cnn cno cnr cnu co- cob coc coe coh cok con coo cor cou crb crc cre crh crk crn cro crr cru cub cuc cue cuh cuk cun cuo cur cuu ebb ebc ebe ebh ebk ebn ebo ebr ebu ec- ecb ecc ece ech eck ecn eco ecr ecu eeb eec eee eek een eeo eer ehb ehc ehe ehh ehn eho ehr ehu ekb ekc eke ekh eko ekr eku en- enb enc ene enh enk enn eno enr enu eo- eob eoc eoe eoh eok eon eoo eor eou erb erc ere erh erk ern ero err eru eu- eub euc eue eun eur hbb hbc hbe hbh hbk hbn hbo hbr hbu hcb hcc hce hch hck hcn hco hcr he- heb hec hee heh hek hen heo her heu hhb hhc hhe hhh hhk hhn hho hhr hhu hkb hkh hkk hkn hko hkr hku hnb hnc hne hnh hnk hnn hno hnu hob hoc hoe hoh hok hon hoo hor hou hr- hrb hrc hre hrh hrk hrn hro hrr hru hub huc hue huh huk hun huo hur huu kbb kbc kbe kbh kbk kbn kbo kbr kbu kcb kcc kce kch kck kcn kcr kcu ke- keb kec kee keh kek ken keo ker khe khh khk khn kho khr khu kkb kkc kke kkh kkk kkn kkr kku kn- knc kne knk knn kno knr knu kob koc koe koh kok kon koo kor kou krc krk krn kro krr kru kub kuc kue kuh kuk kun kur kuu nbb nbc nbe nbk nbn nbo nbr nbu ncb ncc nce nch nck ncn nco ncr ncu ne- neb nec nee neh nek nen neo ner neu nhb nhc nhe nhh nhk nhn nhr nhu nkc nke nkk nkn nko nkr nku nnb nnc nne nnh nnk nnn nno nnu no- nob noc noe noh nok non noo nor nou nrb nrc nre nrk nrn nro nrr nru nub nuc nue nuh nuk nun nuo nur nuu ob- obb obc obe obh obk obn obo obr obu oc- ocb occ och ock ocn oco ocr ocu oeb oec oee oeh oen oeo oer ohc ohe ohh ohn oho ohr ohu okb okc oke okk oko okr oku on- onb onc one onh onk onn ono onr onu oo- oob ooc ooh ook oon ooo oor or- orb orc ore orh ork orn oro orr oru ou- ouc oue ouh ouk oun ouo our rbb rbc rbe rbh rbk rbn rbo rbr rbu rcb rcc rce rch rcn rco rcr rcu re- reb rec ree reh rek ren reo rer reu rh- rhb rhc rhe rhh rhn rho rhr rhu rkb rkc rke rkk rko rku rnb rnc rnh rnn rno rnr rnu rob roc roe roh rok ron roo ror rou rrb rrc rrh rrk rrn rrr rru rub ruc rue ruh ruk run ruo rur ruu ubb ubc ube ubh ubk ubn ubo ubr ubu ucb ucc uce uch uck ucn uco ucr ucu ueb uec uee ueh uen uer uhb uhc uhe uhh uho uhr uhu ukb ukc uke ukk ukn ukr uku un- unb unc une unh unk unn uno unr unu uob uoc uoe uok uon uoo uor ur- urb urc ure urk urn uro urr uru uuc uue uun uur uuu

-ene -hou -one bbbb bbch bbeb bbrc bcbc bccc bcec bcer bche bcnu bcor bcru bcuc bebb bebe bebo bech beck becu beeb beek been beer behn behr beke beko bene benk benn beno benu beo- beok beon beor berc bere berk bern bero berr beru beuk beur bhcc bher bhor bhur bhuu bner bnoc bnor bnrr bobb bobe bobo bobu boce boch bock boco bocu boec boee boen boeo boer bohn boho bohr bohu boke bokn boko boku bonc bone bonk bonn bono bonu boob booc booe booh book boon boor bor- bore borh bork born boro borr boru boue bouh bouk boun bour brcb brce breb brec bree brek bren breo brer brkb brno brob broc broe broh brok bron broo bror brou brrr bruc brue bruh brun bubb bube bubo bubu bucc buce buch buck buco bucu buen buer bueu buhe buho buhr buke bukh bukk buko buku bunb bune bunk bunn buno bunu buon bur- burb bure burh burk burn buro burr buru c-bo cbbc cbcc cbce cbcn cbcr cbcu cbec cbee cber cbkn cbko cbkr cbre cbrh cbrn ccbc ccbn cccb cccc cccu ccee cche cchr ccnb ccnc ccne ccnr ccnu ccob ccoc ccrc ccre ccuc cebu cec- cece ceco ceeb ceec ceke cen- cene ceno ceor ceou cer- cerc cere cern cero chce chch cheb chec chee cheh chek chen cher cheu chkb chnb chnc chno chnr choc choh chok chon choo chor chou chrb chrc chrn chro chrr chub chuk chun chur ckbc ckbe ckch ckck ckco cken cker cknb cknc ckob ckoc ckoo ckor ckrc cnbc cnco cnoh cnrc cnrr cobb cobe cobh cobo cobu coce coch cock coco cocu coen cohn coho cok- coke coko con- conc cone conk conn cono coob cooh cook coon cor- corb corc core cork corn coro corr coub coue couk coun cour crbc crbu crcc crce crcr cre- creb crec cree creh cren