-er -ic -ol b-u bbb bbc bbe bbh bbi bbl bbo bbr bbu bcb bcc bce bch bci bcl bco bcr bcu bcv be- beb bec bee beh bei bel beo ber beu bev bhb bhc bhe bhh bhi bhl bho bhr bhu bhv bi- bib bic bie bih bii bil bio bir biu biv blb blc ble blh bli bll blo blr blu blv bob boc boe boh boi bol boo bor bou bov brb bre brh bri brl bro brr bru brv bub buc bue buh bui bul buo bur buu bvb bvc bve bvh bvi bvl bvo bvr bvu bvv c-- cbb cbc cbe cbh cbi cbl cbo cbr cbu cbv ccb ccc cce cch cci ccl cco ccr ccu ccv ce- ceb cec cee ceh cei cel ceo cer ceu cev ch- chb chc che chh chi chl cho chr chu chv ci- cib cic cie cih cii cil cio cir ciu civ cl- clb clc cle clh cli cll clo clr clu clv co- cob coc coe coh coi col coo cor cou cov crb crc cre crh cri crl cro crr cru crv cub cuc cue cuh cui cul cuo cur cuu cuv cvb cvc cve cvh cvi cvl cvo cvr cvu cvv ebb ebc ebe ebh ebi ebl ebo ebr ebu ebv ec- ecb ecc ece ech eci ecl eco ecr ecu ecv eeb eec eee eel eeo eer eev ehb ehc ehe ehh ehi ehl eho ehr ehu ehv eib eic eie eii eil eio eir eiu eiv elb elc ele elh eli ell elo elr elu elv eo- eob eoc eoe eoh eoi eol eoo eor eou erb erc ere erh eri erl ero err eru erv eu- eub euc eue eui eul eur euv evb evc eve evh evi evl evo evr evv h-i hbb hbc hbe hbh hbi hbl hbo hbr hbu hbv hcb hcc hce hch hci hcl hco hcr hcv he- heb hec hee heh hei hel heo her heu hev hhb hhc hhe hhh hhi hhl hho hhr hhu hhv hib hic hie hih hii hil hio hir hiu hiv hlb hlc hle hlh hli hll hlo hlr hlu hlv hob hoc hoe hoh hoi hol hoo hor hou hov hr- hrb hrc hre hrh hri hrl hro hrr hru hrv hub huc hue huh hui hul huo hur huu huv hv- hvb hvc hvl hvo hvr hvv i-v ibb ibc ibe ibh ibi ibl ibo ibr ibu ibv icb icc ice ich ici icl ico icr icu icv ie- iec iee iei iel ier iev ihb ihc ihe ihh ihi ihl iho ihr ihu ihv iib iic iie iih iii iil iio iir iiu il- ilb ilc ile ilh ili ill ilo ilr ilu ilv io- iob ioc ioe ioh ioi iol ioo ior iou iov ir- irb irc ire iri irl iro irr iru irv iu- iub iuc iue iui iur ivb ivc ive ivi ivl ivo ivr ivu ivv lbb lbc lbe lbh lbi lbl lbo lbr lbu lbv lcb lcc lce lch lci lcl lco lcr lcu lcv leb lec lee leh lei lel leo ler leu lev lhb lhc lhh lhi lho lhr lhu lhv lib lic lie lih lii lil lio lir liu liv llb llc lle lli lll llo llr llu llv lob loc loe loh loi lol loo lor lou lov lrb lrc lrh lri lro lrr lru lrv lub luc lue luh lui lul luo lur luu luv lvb lvc lve lvh lvi lvl lvr lvv o-i ob- obb obc obe obh obi obl obo obr obu obv oc- ocb occ och oci ocl oco ocr ocu ocv oeb oec oee oeh oei oel oeo oer ohc ohe ohh ohi ohl oho ohr ohu oib oic oie oii oil oio oir oiu oiv olb olc ole oli oll olo olu oo- oob ooc ooh ooi ool ooo oor oov or- orb orc ore orh ori orl oro orr oru orv ou- ouc oue ouh oui oul ouo our ov- ovb ovc ove ovh ovi ovl ovo ovv rbb rbc rbe rbh rbi rbl rbo rbr rbu rcb rcc rce rch rci rcl rco rcr rcu rcv re- reb rec ree reh rei rel reo rer reu rev rh- rhb rhc rhe rhh rhi rhl rho rhr rhu rhv rib ric rie rih rii ril rio rir riv rlc rle rlh rli rll rlo rlr rlu rob roc roe roh roi rol roo ror rou rov rrb rrc rrh rri rrl rrr rru rub ruc rue ruh rui ruo rur ruu ruv rvb rvc rve rvh rvi rvl rvo rvr rvu rvv ubb ubc ube ubh ubi ubl ubo ubr ubu ubv ucb ucc uce uch uci ucl uco ucr ucu ucv ueb uec uee ueh uei uel uer uhb uhc uhe uhh uhi uhl uho uhr uhu uhv uib uic uie uii uil uio uir uiu ulb ulc ule uli ull ulo ulr ulu ulv uob uoc uoe uol uoo uor ur- urb urc ure uri url uro urr uru uuc uue uur uuu uvb uvc uve uvl uvo uvu uvv v-e vbc vbh vbi vbl vbo vbr vbv vcc vce vch vci vcl vco vcr vcu veb vec vee veh vei vel veo ver veu vh- vhb vhc vhe vhi vho vi- vib vic vie vii vil vio vir viu viv vl- vlb vlc vle vll vlo vlv vob voc voe voh voi vol voo vor vou vov vrb vrc vre vrh vri vrr vru vue vul vur vuv vvb vvc vvi vvo vvr vvv