-al -ol a-a a-c aaa aac aah aal aao aar aas ac- aca acc ach acl aco acr acs aha ahc ahh ahl aho ahr ahs al- ala alc alh all alo alr als aoa aoc aoh aol aoo aor aos ar- ara arc arh arl aro arr ars as- asa asc ash asl aso asr ass c-- caa cac cah cal cao car cas cca ccc cch ccl cco ccr ccs ch- cha chc chh chl cho chr chs cl- cla clc clh cll clo clr cls co- coa coc coh col coo cor cos cra crc crh crl cro crr crs csa csc csh csl cso csr css haa hac hah hal hao har has hca hcc hch hcl hco hcr hcs hha hhc hhh hhl hho hhr hhs hla hlc hlh hll hlo hlr hls hoa hoc hoh hol hoo hor hos hr- hra hrc hrh hrl hro hrr hrs hsa hsc hsh hsl hsr hss la- laa lac lah lal lao lar las lca lcc lch lcl lco lcr lcs lha lhc lhh lho lhr lhs lla llc lll llo llr lls loa loc loh lol loo lor los lra lrc lrh lro lrr lrs lsa lsc lsh lsl lso lsr lss oaa oac oah oal oao oar oas oc- oca occ och ocl oco ocr ocs oha ohc ohh ohl oho ohr ohs ola olc oll olo ols oo- ooa ooc ooh ool ooo oor oos or- ora orc orh orl oro orr ors os- osa osc osh osl oso osr oss ra- raa rac rah ral rao rar ras rca rcc rch rcl rco rcr rcs rh- rha rhc rhh rhl rho rhr rhs rla rlc rlh rll rlo rlr rls roa roc roh rol roo ror ros rra rrc rrh rrl rrr rrs rsa rsc rsh rsl rso rsr rss saa sac sah sal sao sar sas sca scc sch scl sco scr scs sh- sha shc shh shl sho shr shs sla slc slh sll slo slr sls soa soc soh sol soo sor sos sr- sra src srh srl sro srr srs ss- ssa ssc ssh ssl sso ssr sss