-er -ic b-u bbb bbc bbe bbh bbi bbo bbr bbu bcb bcc bce bch bci bco bcr bcu bcz be- beb bec bee beh bei beo ber beu bez bhb bhc bhe bhh bhi bho bhr bhu bi- bib bic bie bih bii bio bir biu biz bob boc boe boh boi boo bor bou boz brb bre brh bri bro brr bru brz bub buc bue buh bui buo bur buu buz bze bzh bzo bzr bzu bzz c-- cbb cbc cbe cbh cbi cbo cbr cbu cbz ccb ccc cce cch cci cco ccr ccu ccz ce- ceb cec cee ceh cei ceo cer ceu cez ch- chb chc che chh chi cho chr chu chz ci- cib cic cie cih cii cio cir ciu co- cob coc coe coh coi coo cor cou coz crb crc cre crh cri cro crr cru crz cub cuc cue cuh cui cuo cur cuu cuz cz- czc cze czo ebb ebc ebe ebh ebi ebo ebr ebu ec- ecb ecc ece ech eci eco ecr ecu eeb eec eee eeo eer ehb ehc ehe ehh ehi eho ehr ehu eib eic eie eii eio eir eiu eo- eob eoc eoe eoh eoi eoo eor eou erb erc ere erh eri ero err eru erz eu- eub euc eue eui eur eze ezh ezo ezr ezz h-i hbb hbc hbe hbh hbi hbo hbr hbu hbz hcb hcc hce hch hci hco hcr he- heb hec hee heh hei heo her heu hez hhb hhc hhe hhh hhi hho hhr hhu hhz hib hic hie hih hii hio hir hiu hob hoc hoe hoh hoi hoo hor hou hr- hrb hrc hre hrh hri hro hrr hru hrz hub huc hue huh hui huo hur huu huz hze hzo ibb ibc ibe ibh ibi ibo ibr ibu ibz icb icc ice ich ici ico icr icu icz ie- iec iee iei ier ihb ihc ihe ihh ihi iho ihr ihu iib iic iie iih iii iio iir iiu io- iob ioc ioe ioh ioi ioo ior iou ir- irb irc ire iri iro irr iru iu- iub iuc iue iui iur iuz ize izh izi izo izu izz o-i ob- obb obc obe obh obi obo obr obu oc- ocb occ och oci oco ocr ocu ocz oeb oec oee oeh oei oeo oer ohc ohe ohh ohi oho ohr ohu oib oic oie oii oio oir oiu oiz oo- oob ooc ooh ooi ooo oor or- orb orc ore orh ori oro orr oru orz ou- ouc oue ouh oui ouo our oze ozo ozu ozz rbb rbc rbe rbh rbi rbo rbr rbu rcb rcc rce rch rci rco rcr rcu re- reb rec ree reh rei reo rer reu rez rh- rhb rhc rhe rhh rhi rho rhr rhu rib ric rie rih rii rio rir riz rob roc roe roh roi roo ror rou roz rrb rrc rrh rri rrr rru rub ruc rue ruh rui ruo rur ruu ruz rzb rze rzo ubb ubc ube ubh ubi ubo ubr ubu ucb ucc uce uch uci uco ucr ucu ueb uec uee ueh uei uer uhb uhc uhe uhh uhi uho uhr uhu uib uic uie uii uio uir uiu uob uoc uoe uoo uor ur- urb urc ure uri uro urr uru urz uuc uue uur uuu uzb uzh uzi uzo uzu zbb zbc zbr zce zco zeb zec zee zeh zeo zer zez zhc zhe zhi zho zhr zhu zib zie zio zir ziz zo- zob zoc zoe zoi zoo zor zou zrh zro zub zuc zui zur zuz zzr zzz

-hou bbbb bbch bbci bbeb bbrc bcbc bccc bcci bcec bcer bche bcie bcor bcoz bcru bcuc bebb bebe bebi bebo bech beci becu beeb beer behr beic beir beo- beor berc bere beri bero berr beru beur beze bezi bezu bhcc bher bhie bhir bhoi bhor bhur bhuu bibb bibe bibi bibo bicc bice bich bici bico bieb bier bieu bihe bihi bihu bio- bioc bioi biou birb bire biri biro birr biru bize bizu bizz bobb bobe bobi bobo bobu boce boch boco bocu boec boee boeo boer boho bohr bohu boi- boie boii boiu boob booc booe booh boor booz bor- bore borh bori boro borr boru borz boue bouh bour bozi bozo brcb brce breb brec bree brei breo brer brez bric brie brih brio briz brob broc broe broh broo bror brou broz brrr bruc brue bruh bruz bubb bube bubi bubo bubu bucc buce buch buci buco bucu bucz buer bueu buhe buhi buho buhr buic buie buir buiu bur- burb bure burh buri buro burr buru burz buuz buze buzi buzz bzer bzie bzoe bzou bzzz c-bo cbbc cbcc cbce cbcr cbcu cbec cbee cber cbir cbre cbrh ccbc cccb cccc ccci cccu ccee cche cchr ccic ccii ccir ccob ccoc ccrc ccre ccri ccuc cebu cec- cece ceci ceco ceeb ceec ceor ceou cer- cerc cere ceri cero ceui ceze chce chch chci cheb chec chee cheh cher cheu chez chib chic chie chih chir chiu chiz choc choh choi choo chor chou chrb chrc chro chrr chub chui chur cibc cibe cibi cibo cicc cich cici cico cicr cicu ciee cier ciez cihr ciii ciob cior cirb circ cire cirh ciri ciro cirr ciuc cize cobb cobe cobh cobi cobo cobu coce coch coco cocu coho coir coob cooh cor- corb corc core cori coro corr coub coue cour coze cozi cozz crbc crbu crcc crce crcr crcz cre- creb crec cree creh crei creo creu crib cric crie criu crob croc croe croh croo cror croz crub crue cruz cub- cubb cube cubi cucc cuce cuci cuer cui- cuir curb cure curi curo curr cuzo ebbc ebbo ebbr ebcc eber ebic eboe eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecci ecco eche echo ecib eco- ecou ecrc ecri ecrr ecru eeee eeoc eerc eero eeze ehcc eheh eher eheu ehre