-al -ol a-a a-c aaa aac aaf aal aan aao aar ac- aca acc acf acl acn aco acr af- afa afc aff afl afn afo afr al- ala alc alf all aln alo alr an- ana anc anf anl ann ano anr aoa aoc aof aol aon aoo aor ar- ara arc arf arl arn aro arr c-- caa cac caf cal can cao car cca ccc ccf ccl ccn cco ccr cfa cfc cff cfl cfn cfo cfr cl- cla clc clf cll cln clo clr cn- cna cnc cnf cnl cnn cno cnr co- coa coc cof col con coo cor cra crc crf crl crn cro crr faa fac faf fal fan fao far fca fcc fcf fcl fcn fco fcr ffa ffc fff ffl ffn ffo ffr fla flc flf fll fln flo flr fna fnc fnf fnl fnn fnr foa foc fof fol fon foo for fra frc frf frl frn fro frr la- laa lac laf lal lan lao lar lca lcc lcf lcl lcn lco lcr lfa lfc lff lfl lfn lfo lfr lla llc llf lll lln llo llr lna lnc lnl lnn lno lnr loa loc lof lol lon loo lor lra lrc lrf lrn lro lrr naa nac naf nal nan nao nar nca ncc ncf ncl ncn nco ncr nfa nfc nff nfl nfn nfo nfr nla nlc nlf nll nln nlo nlr nna nnc nnf nnl nnn nno no- noa noc nof nol non noo nor nra nrc nrf nrl nrn nro nrr oaa oac oaf oal oan oao oar oc- oca occ ocf ocl ocn oco ocr of- ofa ofc off ofl ofn ofo ofr ola olc olf oll oln olo on- ona onc onf onl onn ono onr oo- ooa ooc oof ool oon ooo oor or- ora orc orf orl orn oro orr ra- raa rac raf ral ran rao rar rca rcc rcf rcl rcn rco rcr rfa rfc rff rfl rfn rfo rfr rla rlc rlf rll rln rlo rlr rna rnc rnn rno rnr roa roc rof rol ron roo ror rra rrc rrf rrl rrn rrr