-al -ic -ol a-a a-c a-i aaa aac aaf aai aal aao aar aas ac- aca acc acf aci acl aco acr acs af- afa afc aff afi afl afo afr afs ai- aia aic aif aii ail aio air ais al- ala alc alf ali all alo alr als aoa aoc aof aoi aol aoo aor aos ar- ara arc arf ari arl aro arr ars as- asa asc asf asi asl aso asr ass c-- caa cac caf cai cal cao car cas cca ccc ccf cci ccl cco ccr ccs cfa cfc cff cfi cfl cfo cfr cfs ci- cia cic cif cii cil cio cir cis cl- cla clc clf cli cll clo clr cls co- coa coc cof coi col coo cor cos cra crc crf cri crl cro crr crs csa csc csf csi csl cso csr css faa fac faf fai fal fao far fas fca fcc fcf fci fcl fco fcr fcs ffa ffc fff ffi ffl ffo ffr ffs fia fic fif fii fil fir fis fla flc flf fli fll flo flr fls foa foc fof foi fol foo for fos fra frc frf fri frl fro frr frs fsa fsc fsf fsi fsl fso fsr fss i-f ia- iaa iac iaf iai ial iao iar ias ica icc icf ici icl ico icr ics ifa ifc iff ifi ifl ifo ifr ifs iia iic iif iii iil iio iir iis il- ila ilc ilf ili ill ilo ilr ils io- ioa ioc iof ioi iol ioo ior ios ir- ira irc irf iri irl iro irr irs is- isa isc isf isi isl iso isr iss la- laa lac laf lai lal lao lar las lca lcc lcf lci lcl lco lcr lcs lfa lfc lff lfi lfl lfo lfr lfs lia lic lif lii lil lio lir lis lla llc llf lli lll llo llr lls loa loc lof loi lol loo lor los lra lrc lrf lri lro lrr lrs lsa lsc lsf lsi lsl lso lsr lss o-i oaa oac oaf oai oal oao oar oas oc- oca occ ocf oci ocl oco ocr ocs of- ofa ofc off ofi ofl ofo ofr ofs oia oic oif oii oil oio oir ois ola olc olf oli oll olo ols oo- ooa ooc oof ooi ool ooo oor oos or- ora orc orf ori orl oro orr ors os- osa osc osf osi osl oso osr oss ra- raa rac raf rai ral rao rar ras rca rcc rcf rci rcl rco rcr rcs rfa rfc rff rfi rfl rfo rfr rfs ria ric rif rii ril rio rir ris rla rlc rlf rli rll rlo rlr rls roa roc rof roi rol roo ror ros rra rrc rrf rri rrl rrr rrs rsa rsc rsf rsi rsl rso rsr rss saa sac saf sai sal sao sar sas sca scc scf sci scl sco scr scs sfa sfc sff sfi sfl sfo sfr sfs sia sic sif sii sil sio sir sis sla slc slf sli sll slo slr sls soa soc sof soi sol soo sor sos sr- sra src srf sri srl sro srr srs ss- ssa ssc ssf ssi ssl sso ssr sss