-er -ol c-- ccc cce cch ccl cco ccr ccs ccu ce- cec cee ceh cel ceo cer ces ceu ch- chc che chh chl cho chr chs chu cl- clc cle clh cll clo clr cls clu co- coc coe coh col coo cor cos cou crc cre crh crl cro crr crs cru csc cse csh csl cso csr css csu cuc cue cuh cul cuo cur cus cuu ec- ecc ece ech ecl eco ecr ecs ecu eec eee eel eeo eer ees ehc ehe ehh ehl eho ehr ehs ehu elc ele elh ell elo elr els elu eo- eoc eoe eoh eol eoo eor eos eou erc ere erh erl ero err ers eru es- esc ese esh esl eso esr ess esu eu- euc eue eul eur eus hcc hce hch hcl hco hcr hcs he- hec hee heh hel heo her hes heu hhc hhe hhh hhl hho hhr hhs hhu hlc hle hlh hll hlo hlr hls hlu hoc hoe hoh hol hoo hor hos hou hr- hrc hre hrh hrl hro hrr hrs hru hsc hse hsh hsl hsr hss hsu huc hue huh hul huo hur hus huu lcc lce lch lcl lco lcr lcs lcu lec lee leh lel leo ler les leu lhc lhh lho lhr lhs lhu llc lle lll llo llr lls llu loc loe loh lol loo lor los lou lrc lrh lro lrr lrs lru lsc lse lsh lsl lso lsr lss lsu luc lue luh lul luo lur lus luu oc- occ och ocl oco ocr ocs ocu oec oee oeh oel oeo oer oes ohc ohe ohh ohl oho ohr ohs ohu olc ole oll olo ols olu oo- ooc ooh ool ooo oor oos or- orc ore orh orl oro orr ors oru os- osc ose osh osl oso osr oss osu ou- ouc oue ouh oul ouo our ous rcc rce rch rcl rco rcr rcs rcu re- rec ree reh rel reo rer res reu rh- rhc rhe rhh rhl rho rhr rhs rhu rlc rle rlh rll rlo rlr rls rlu roc roe roh rol roo ror ros rou rrc rrh rrl rrr rrs rru rsc rse rsh rsl rso rsr rss rsu ruc rue ruh ruo rur rus ruu scc sce sch scl sco scr scs scu se- sec see seh sel seo ser ses seu sh- shc she shh shl sho shr shs shu slc sle slh sll slo slr sls slu soc soe soh sol soo sor sos sou sr- src sre srh srl sro srr srs ss- ssc sse ssh ssl sso ssr sss ssu suc sue suh sul suo sur sus suu ucc uce uch ucl uco ucr ucs ucu uec uee ueh uel uer ues uhc uhe uhh uhl uho uhr uhs uhu ulc ule ull ulo ulr uls ulu uoc uoe uol uoo uor uos ur- urc ure url uro urr urs uru usc use ush usl uso usr uss usu uuc uue uur uus uuu