abs acc ack acs adc add ads afd afm ale alf alt alu amd ami arj arp arq ash asn atn avg awk bak bbs bcc bcd bcs beq bge bgt bhi bin bit ble bls blt bmi bmp bne bpe bpl brk bvc bvs cad cam cas cat cbm cbw ccd cck ccp ccr ced cga chk clc cli clk cmc cmd cmi cmp cmr cms cmu cmy cnt col com cos cpl cpr crt csh ctc cti cts cur cwd dac dat dbf dbm dca dcb dcd ddt dec deg del des dfc dft dil dim dip dir div dll dma dos dra drv dsp dsr dtl dtr dvi ecc ecl ega emi emm ems ena enb env eps erc erl ern err esc exe exg exp ext faq fat fdc fdd fet ffp ffs fft fiz fli fmt fpr fpu ftp fyi gal gas gcc gcd gcr gdb gdt gid gif gnd gnu gpl gpr grp gsf gst gus hal ham hdc hdd hdr hex hgc hlp hma hsv hup ibm icc icr ier iff ifs iil imo imr inc inp ins int ipl ipx irc irq isa isp jcc jcs jeq jle jmi jmp jne jns jnz jpl kms ksh lan ldt led len ler lha lpq lpr lpt lru lsm lzh lzw mam man mcu mda mfj mfm mft mkd mkf mki mkl mml mmu mnp mnt mos mrm msd msw mul mux nak ncc ncd ncr ndd nfs nic nmi nop nsl ntp nul ocr oct ofs oop opl ovl ovr pal par pbm pci pcl pcx pfm pfs pga pgm pgp pha pkg pla pld pnm ppi ppm ppp psu pwd pxl qed qic qwk rad ram rar ras rbf rcl rcp rcr rcs ref rev rgb rip rkm rla rlc rld rle rll rmt rol rom ror rot rpc rra rrc rrd rsa rsh rsr rtd rte rtg rts rxd sad sbb sbc scc sdb sec sed sfc sid sin sla sli sls smd snd spc sql sqr sra srl ssp stb sti stk sto str sub swp sys tac tan tar tas tbe tcl tcp tee tfm tic tla tmp tpa tpc tph tpl tpu trk tsr tss ttl ttp tts tty txd ucc ucw udd udp uid ula umb upp ups url usp val vbr vfs vga vim vlb vma vms vpa wan wrt xbm xga xms xon yak zif png pbx atm ppc ggi ddr mtu mru cdr rpm bbn bpm brt lim dce dte dtp apm arm xor iso itu pcm pdf rtl fcc mbr bgp egp igp ssh mib rfu rpg rtt lcp icp ioi fel lea vtm zcu mff etc cet lst cvs cpp cls vip ccm cpm hga fwd fig rtf sak xdr sgp dct csc phd yam tgv tft lcd lpd ean elm ipc rms clr inn nis nan inf gem gfx igi gpm std